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On an enclosed sample of tantalum foil 0.0004 inches thick.
Handwritten letter, 1 page
On Eleanor's new appointment as associate professor in Canada and Byron's MRC grant.
On possible teachers for a course in Embryology, on Hamburger's method of mounting embryos in toto in plastic.
On Wenger's release from military service and his wish to continue his graduate work at washington University in January 1946.
On Wenger's reappointment as Assistant in Zoology for 1946-47.
Thank-you note.
On the upcoming Morgan symposium. On Lillie's family and Lillie's importance for Willier.
Welch asks Hamburger for promising students for a post-doctoarl position at his department. Contains a detailed description of the work done at his department.
Typewritten letter, 1 page, Typed excerpts from other correspondence between Hamburger and Carl Henke, 4 pages
On Willier's Biographical Memoir Note by the Academy of Science. On Watterson's account in Dev. Biology.
Typewritten letter, 1 page, with envelope