People
M. Johlin sitting at a table using a microscope.
W. J. Crozier and S. Hecht sitting down examining a book together.
Emil Witschi sitting at a desk using a microscope. On the desk all around him are various glass containers and on the wall behind him are shelves with similar glass containers.
C.F.A. Pentin sitting at a desk with a book. Behind him on the desk is a large wooden crate and on a shelf against the wall next to him can be seen various glass containers.
W. W. Keene sitting at a table holding a piece of paper in his left hand. Behind him against the wall is a large stack of books.
Hans Nachtsheim sitting at a table with a microscope and various containers. Behind him on the wall are shelves containing similar labeled containers.
John M. Fogg Jr. sitting at a desk with papers spread out in front of him. Also on the table is a microscope.
W. E. Field sitting at a desk in a lab. On the desk all around her are various pieces of glassware and a large lamp.
Mary Mills Patrick standing outside next to a tree.
Arndt sitting while writing on a document on his lap.
B.B. Varian sitting at a desk with a microscope. Behind him on the wall are shelves with various labeled containers.
J. Loberblatt sitting at a table stirring a solution in a flask. Around him on the table are other pieces of glassware.