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James David Ebert (1921-2001)

James David Ebert (1921-2001)

James David Ebert studied the developmental processes of chicks and of viruses in the US during the twentieth century. He also helped build and grow many research institutions, such as the Department of Embryology in the Carnegie Institution of Washington in Baltimore, Maryland and the Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts. When few biologists studied the biochemistry of embryos, Ebert built programs and courses around the foci of biochemistry and genetics, especially with regards to embryology. He eventually directed the MBL's Embryology Course, and later, the MBL itself.

Ebert was born on 11 December 1921 in the town of Bentleyville, Pennsylvania. He attended public schools while growing up and then graduated from Washington and Jefferson College in Washington, Pennsylvania in 1942. Not long after graduation he joined the United States Navy and eventually became a lieutenant. Ebert was stationed on a destroyer in the Pacific Ocean that was attacked by a kamikaze pilot. The destroyer sank and Ebert spent twenty-four hours in the ocean until being rescued. Afterwards, as a biologist, Ebert befriended and trained several Japanese developmental biologists.

In 1946 Ebert began working towards his PhD in developmental biology under the instruction of Benjamin Willier at the Johns Hopkins University in Baltimore, Maryland. In the same year he married Alma Goodwin, who was a Women Accepted for Volunteer Emergency during the war. Ebert received his PhD in 1950 and immediately became a member of the faculty at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts. After one year at MIT, Ebert moved to Indiana University in Bloomington, Indiana. Ebert became an associate professor of zoology by 1955, and he had started a program of experimental embryology. He studied chick embryos and the processes by which the protein make-up of the embryos changed throughout development.

Six years after receiving his PhD, Ebert became the director of the Carnegie Institution of Washington's Department of Embryology, in Baltimore, Maryland. Prior to Ebert's term as director, the department had had three other directors. The Institution's president, Caryl Haskins, had contemplated closing the department and starting something new. However, with some persuasion from Willier, Haskins spoke with Ebert and decided to give him the opportunity to run the department. Ebert and Haskins agreed that the department needed to focus on the study of genes and their regulation as well as the ways cells influence one another. Haskins said that Ebert's youth and enthusiastic personality made Haskins believe that Ebert would provide a fresh perspective to the department.

Ebert argued that it was his job to recognize and to recruit new talent and then support them in their work. He stressed the use of biochemistry and genetics, which in the 1960s blended together to form molecular biology. During this time, Ebert started to study the relationship between muscle cell differentiation and the propensity to infection in the Rous sarcoma virus.

While still director of the Carnegie embryology department, in 1970 Ebert also became the president and nonresident director of the Marine Biological Laboratory (MBL) at Woods Hole. At the MBL he researched, with Keiko Ozato, the response of murine lymphocytes to mitogens.

In 1977 Ebert ended his term at the Carnegie Department of Embryology, but he remained the director of the MBL. From 1978 until 1987, Ebert lived in Washington, D.C., and he was the president of the whole Carnegie Institution of Washington. As the institution's president, he made the decision to help build a large optical telescope in Chile at Las Campanas Observatory, and he worked towards the creation of a common campus for both Carnegie departments in Washington.

Ebert remained involved with scientific institutions for the rest of his life. When leaving one institution, he found another one to join. He retired from the Carnegie Institution in 1987 and became the president of the Chesapeake Bay Institute at the Johns Hopkins University, where he was a professor of biology for six years. Ebert was elected to many societies including the National Academy of Sciences, the American Philosophical Society, the American Academy of Arts and Sciences, and the Institute of Medicine. He was the vice president of the National Academy of Sciences from 1981 through 1993 and he also chaired its Government-University-Industry Research Roundtable from 1987 through 1993. His colleagues elected him as president of the Society for the Study of Development and Growth, the American Institute of Biological Sciences, and the American Society of Zoologists.

In retirement, Ebert and his wife Alma spent half of each year in Woods Hole and at the MBL. Ebert and Alma died on 22 May 2001 in an automobile accident while en route to Woods Hole.

Sources

  1. DeHaan, Robert L., and James D. Ebert. "Morphogenesis." Annual Review of Physiology 26 (1964): 15–46.
  2. Ebert, James D. "An analysis of the effects of anti-organ sera on the development, in vitro, of the early chick blastoderm." Journal of Experimental Zoology 115 (1950): 351–77.
  3. Ebert, James D. "An analysis of the synthesis and distribution of the contractile protein, myosin, in the development of the heart." Proceedings of the National Academy of Sciences 39 (1953): 333–44.
  4. Ebert, James D. "The effects of chorioallantoic transplants of adult chicken tissues on homologous tissues of the host chick embryo." Proceedings of the National Academy of Sciences 40 (1954): 337–47.
  5. Ebert, James D. "The formation of muscle and muscle-like elements in the chorioallantoic membrane following inoculation of a mixture of cardiac microsomes and Rous sarcoma virus." Journal of Experimental Zoology 142 (1959): 587–621.
  6. Ebert, James D., and Ian M. Sussex. Interacting Systems in Development. New York: Holt, Rinehart and Winston, 1970.
  7. Ebert, James D., and Fred H. Wilt. "Animal Viruses and Embryos." The Quarterly Review of Biology 35 (1960): 261–312.
  8. Obituaries. "Jim and Alma Ebert." Marine Biological Laboratory. http://www.mbl.edu/news/obit/obit_ebert.html (Accessed December 8, 2007).
  9. Ozato, Keiko, William H. Adler, and James D. Ebert. "Synergism of bacterial lipopolysaccharides and concanavalin A in the activation of thymic lymphocytes." Cellular Immunology 17 (1975): 532–41.
  10. Singer, Maxine. "James David Ebert." Proceedings of the American Philosophical Society 148 (2004): 124–27.

James David Ebert studied the developmental processes of chicks and of viruses in the US during the twentieth century. He also helped build and grow many research institutions, such as the Department of Embryology in the Carnegie Institution of Washington in Baltimore, Maryland and the Marine Biological Laboratory (MBL) in Woods Hole, Massachusetts. When few biologists studied the biochemistry of embryos, Ebert built programs and courses around the foci of biochemistry and genetics, especially with regards to embryology.

Created: 2008-09-12

Jane Maienschein (1950- )

Jane Maienschein

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Jane Maienschein is the daughter of Joyce Kylander and Fred Maienschein, and was born in Oak Ridge, Tennessee, on 23 September 1950. She attended MIT as a freshman and then transferred to Yale University in 1969 when Yale decided to admit women undergraduates. In 1972 she graduated with an honors degree in History, the Arts, and Letters having written a thesis on the history of science. She then attended Indiana University and studied with historian of embryology Frederick B. Churchill, took courses with embryologist Rudolf Raff, and learned how to do embryological laboratory research with Robert Briggs. She received her MA in 1976 and a PhD in 1978, with a pre-doctoral Fellowship at the Smithsonian to study the history of microscopes and microscopy, and an NSF-funded dissertation improvement visit to the Marine Biological Laboratory (MBL) to reproduce old embryological experiments and soak up the history and resources of the MBL Library and labs. Maienschein’s scholarly research focuses on the history and philosophy of developmental biology.

In graduate school Briggs helped Maienschein reproduce historical experiments using the dissertation study of Ross Granville Harrison’s 1907 experiments on nerve fiber development. Harrison had asked whether the neuroblast cell (which we would now call a neural stem cell) can reach out and develop its fiber by protoplasmic outgrowth or whether the cell required a pre-established bridge, as many of his contemporaries argued must be the case. Harrison carried out the first ever tissue culture experiment, in which he got the neuroblast cells to grow when transplanted into an artificial medium of frog lymph. Briggs and Maienschein discovered that carrying out the experiment with the techniques Harrison described led to lots of nice bacterial and other unidentified cultures, but not nerve cells. Retracing Harrison’s steps revealed that he had taken advantage of being temporarily housed near the bacteriologists at Yale University and had used more sophisticated aseptic techniques than he described.

This work led Maienschein to an analysis of the role of the details of scientific practices and the value of carrying out “practical history,” as Edwin Clarke called it. She has also asked questions about the role of experiments in settling (or failing to settle) issues of theoretical debate. Her work in history of embryology has concentrated especially on the late nineteenth and into the twentieth century, including work done at the Marine Biological Laboratory in Woods Hole, Massachusetts, and on issues of morphogenesis and differentiation related to cell division. This research has led her to study stem cell research and regenerative medicine.

Maienschein is also a dedicated teacher who has received multiple awards, including the Arizona State University Parents Association Professor of the Year Chair, Regents’ Professorship, and President’s Professorship. In addition, she received the History of Science Society’s Joseph H. Hazen Education Prize Award. During the 105th United States Congressional session, in 1997 and 1998, she served as senior science advisor to Congressman Matt Salmon, who served on the Science Committee. She took a group of undergraduates to Washington, which led to their paper presentation at the 150th meeting of the American Association for the Advancement of Science, and that led to an invitation to write an editorial for Science. The students’ essay on “Scientific Literacy” remains the only publication in Science by undergraduates, and it led to a longer peer-reviewed article in Science Communication.

This personal exposure to the political context of science also led Maienschein to research reflecting more seriously on the social, political, and legal contexts of scientific research. Most productively, this has resulted in collaborative publications and projects with bioethicist Jason Scott Robert and Rachel Ankeny.

Maienschein served as the first president for the International Society for History, Philosophy, and Social Studies of Biology (“Ishkabibble”) in 1989–1991, president of the History of Science Society in 2008 and 2009, and in numerous other administrative rolls. She is Director of the Embryo Project, along with Manfred Laubichler.

Sources

  1. Arizona State University. http://www.public.asu.edu/~atjvm/ (Accessed October 24, 2008).
  2. Arizona State University Libraries. http://knet.asu.edu/research/?getObject=asulib:41285 (Accessed October 24, 2008).
  3. School of Life Sciences, Arizona State University. http://sols.asu.edu/people/faculty/jmaienschein.php (Accessed October 24, 2008).

Jane Maienschein is the daughter of Joyce Kylander and Fred Maienschein, and was born in Oak Ridge, Tennessee, on 23 September 1950. She attended MIT as a freshman and then transferred to Yale University in 1969 when Yale decided to admit women undergraduates. In 1972 she graduated with an honors degree in History, the Arts, and Letters having written a thesis on the history of science. She then attended Indiana University and studied with historian of embryology Frederick B.

Created: 2008-10-24

Charles Otis Whitman (1842-1910)

Charles Otis Whitman

Charles Otis Whitman was an extremely curious and driven researcher who was not content to limit himself to one field of expertise. Among the fields of study to which he made significant contributions were: embryology; morphology, or the form of living organisms and the relationships between their structures; natural history; and behavior. Whitman served as director of several programs and institutions, including the Biology Department at the University of Chicago, where he helped establish a new style of biology and influenced the work of many researchers of his generation, as well as future ones. He also served as first director of the Marine Biological Laboratory (MBL) in Woods Hole, MA. Besides his considerable achievements with his own scientific research, Whitman was a tireless mentor who had many students who went on to achieve great success in the field of embryology.

Whitman was born in North Woodstock, Maine, to parents Marcia and Joseph Whitman on 14 December 1842. He grew up on a farm and developed an interest in natural history, particularly that of pigeons, at an early age. Whitman’s family was typical of the rural area where he grew up, and he was educated in the public school system, but despite his family’s lack of money he was highly motivated to receive a college education. Whitman earned money by teaching and tutoring in private schools, and in 1865 he began attending Bowdoin College in Brunswick, Maine. Whitman was enrolled in the accelerated program and finished his degree in 3 years, graduating in 1868 with a BA. After graduation from Bowdoin College, Whitman took a position as Principal of Westford Academy in Massachusetts, where he remained for four years. He then moved to Boston to accept a position as instructor in natural science at English High School. This move was one of great importance, as it was in Boston that he became aware of Harvard University Professor of Zoology Louis Agassiz and enrolled to become one of fifty participants in the first session of the summer marine biology program at the Anderson School of Natural History on Penikese Island in 1873. This experience had a profound impact on Whitman as well as on other of Agassiz’s students. In 1874 Whitman joined the Boston Society of Natural History and, after a second summer at Penikese, he decided to dedicate himself to the full-time study of zoology.

In 1875 Whitman went to study in Europe under Anton Dohrn at the Stazione Zoologica in Naples. After working with Dohrn in Naples, Whitman and his fellow Penikese Island student Charles Sedgwick Minot moved to Leipzig, Germany. There, under the direction of parasitologist Rudolf Leuckart, he learned the modern methods of embryology and microscopy. Whitman received his PhD from the University of Leipzig in 1878. His dissertation was “The Embryology of Clepsine (glossiphonia)”, with an emphasis on the direct role of cleavage in histogenesis, or the differentiation of cells into specialized tissue and organs during growth. This research was instrumental in laying the groundwork for future studies of cell lineage. Whitman found evidence that leech egg development was completely predetermined. This finding supported the regulative theory of embryo development, according to which the whole embryo regulates the development of each cell, in contrast to the mosaic theory in which each cell develops independently, like a mosaic tile. His discoveries while working with the leech were instrumental to future taxonomical and morphological studies.

In 1879 he was offered a postdoctoral fellowship at the Johns Hopkins University but turned it down when he was invited to become Professor of Zoology at the Imperial University of Tokyo. He only spent two years there, but his short tenure was extremely influential. Eight of Whitman’s students there went on to become prominent zoologists, including four who held major chairs, affording him the informal title “father of zoology” in Japan. From November 1881 until May 1882, Whitman returned to the Stazione Zoologica to study the embryology, life history, and classification of the dicyemids which led to the publication of a standard reference work on the parasite in 1883. From 1882 through 1886 Whitman worked as an assistant to Alexander Agassiz at the Museum of Comparative Zoology at Harvard University. During this time Whitman also served as the editor for the Department of Microscopy at the American Naturalist Magazine. After Harvard, Whitman took the job of tutoring amateur zoologist Edward Phelps Allis, Jr., in Milwaukee, Wisconsin. In addition to tutoring Allis, he took on the task of directing the very short lived Allis Lake Laboratory. While there, Whitman oversaw the work of many researchers, including William Morton Wheeler, who went on to become a prominent figure in the study of social insects.

During the summer of 1888 Whitman was invited to direct the newly established Marine Biological Laboratory in Woods Hole, a position he held until 1908. In 1889 Whitman left the Allis Lake facility to take the position of Chair of Zoology at Clark University in Worcester, Massachusetts. In 1892 Whitman moved again to become head of the biology department at the newly founded University of Chicago. There Whitman had several students who went on to make names for themselves in embryology. One of the most prominent was Frank Rattray Lillie, who took over as director at the MBL after Whitman and succeeded Whitman at the University of Chicago, as well. Whitman had many embryologist colleagues at Chicago, including Frank Rattray Lillie, Jacques Loeb, Franklin Paine Mall, Albert Davis Mead, Shosaburo Watase, and William Morton Wheeler. Whitman remained at the University of Chicago until his death on 6 December 1910.

Whitman’s study of sexual dimorphism, the morphological differences between male and female organisms of the same species, was an influence on Oscar Riddle and his endocrinological research. Whitman’s 1898 paper “Animal Behavior” contains many examples of innate, non-learned, behavior. In his later work, he analyzed the relation between innate and learned behavior and the ability of animals to adjust their behavior to new experiences. Whitman saw a similarity of variation in related species, and the trends of evolutionary change in all species from the simplest of organisms to the most advanced. In 1900, when researchers were torn between the theories of mutation and selection, Whitman was a strong proponent of selection.

Whitman published papers and journal articles on every aspect of his work, but is probably best known for his posthumously published three-volume work The Orthogenic Evolution in Pigeons, considered to be the first extensive study in comparative ethology. Whitman was instrumental in the founding of several journals and academic institutions, including the Journal of Morphology, the Biological Bulletin, and the American Morphological Society which, through a merger with the Western Branch of the American Society of Naturalists (known as the Society of American Zoologists in 1901 and 1902), became the American Society of Zoologists in 1902.

Whitman’s work significantly impacted the field of embryology. It greatly influenced the researchers of his generation as well as future generations. Whitman made significant contributions in the fields of embryology, morphology, taxonomy, and ethology. He published numerous books and papers in all of these subjects. Whitman was a mentor to biology students in several institutions around the world. Many of the institutions and publications he founded continue to be at the top of the field of embryology today.

Sources

  1. Carr, Harvey A., and Oscar Riddle, eds. Posthumous Works of Charles Otis Whitman. Vol. I–III. Washington DC: Carnegie Institution of Washington, 1919.
  2. Davenport, Charles B. “The Personality, Heredity and Work of Charles Otis Whitman.” American Naturalist 51 (1917): 5–30.
  3. Gilbert, Scott. Developmental Biology, 7th ed. Sunderland, MA: Sinauer Associates Inc., 2003.
  4. Mayr, Ernst. “Whitman, Charles Otis.” Dictionary of Scientific Biography 13: 313–15.
  5. Newman, Horatio Hackett. “History of the Department of Zoology in the University of Chicago.” Bios 19 (1948): 215–39.
  6. Pauly, Philip J. “From Adventism to Biology—the Development of Whitman, Charles Otis.” Perspectives in Biology and Medicine 37 (Spring 1994): 395–408.

Charles Otis Whitman was an extremely curious and driven researcher who was not content to limit himself to one field of expertise. Among the fields of study to which he made significant contributions were: embryology; morphology, or the form of living organisms and the relationships between their structures; natural history; and behavior.

Created: 2009-01-21

Embryology Course Photograph 2003

Students and faculty in the 2003 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 2007

Embryology Course Photograph 1962

Students and faculty in the 1962 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1962

Embryology Course Photograph 1982

Students and faculty in the 1982 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1982

Embryology Course Photograph 1959

Students and faculty in the 1959 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1959

Embryology Course Photograph 1949

Students and faculty in the 1949 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1949

Embryology Course Photograph 1973

Students and faculty in the 1973 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1973

Embryology Course Photograph 1974

Students and faculty in the 1974 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1974

Embryology Course Photograph 1950

Students and faculty in the 1950 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1950

Embryology Course Photograph 1941

Students and faculty in the 1941 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1941

Embryology Course Photograph 1893

Students and faculty in the 1893 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1893

Embryology Course Photograph 1979

Students and faculty in the 1979 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1979

Embryology Course Photograph 1987

Students and faculty in the 1987 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1987

Embryology Course Photograph 1976

Students and faculty in the 1976 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1976

Embryology Course Photograph 1985

Students and faculty in the 1985 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1985

Embryology Course Photograph 2008

Students and faculty in the 2008 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 2008

Embryology Course Photograph 1978

Students and faculty in the 1978 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1978

Embryology Course Photograph 1968

Students and faculty in the 1968 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1968

Embryology Course Photograph 1975

Students and faculty in the 1975 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1975

Embryology Course Photograph 1956

Students and faculty in the 1956 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1956

Embryology Course Photograph 1991

Students and faculty in the 1991 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1991

Embryology Course Photograph 1953

Students and faculty in the 1953 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 1953

Embryology Course Photograph 2004

Students and faculty in the 2004 Embryology Course at the Marine Biological Laboratory in Woods Hole, MA

Created: 2004