people
Letter about Hamburger's article on Cajal and Harrison
Letter from Hawaii about Carson's election to the academy [National Academy of Sciences?]
Report about the reviews about Hamburger's new book. Mentioned Marine Biological Laboratory summer course.
About a National Institutes of Health rejection letter
Typewritten letter, 1 page
Congratulations to Hamburger's Presidential Science Medal; Excitement about reading Haeckel and Weismann.
Typewritten letter, 1 page
Discussion about whether Ernst Haeckel was a materialist or idealist; updates on the Birkhauser collection.
Handwritten postcard
Typewritten letter, 3 pages, signed 'Wally'
Michael Fox writes to professors a Washington University to notify them of his resignation from the university
On working with Amphibian eggs provided by Twitty, Male and Ballard. On producing neuralization in ectoderm by changing the salt comcentration, the ph, or the Ca content of the solution.