Hamburger, Viktor
On the publication of his chapter in 'Analysis of Development (ed. Paul Weiss, B. H. Willier, Viktor Hamburger)'.
Scheduling meeting
On his manuscript 'Cell Type Expression mediated by Cell-Cycle Progression'. On similarities of the proosed theory to Holtzer's qunatum cell cycle theory. On Hamburger: "I hope that the move to support your nomination to the Nobel Prize is intensifying."
On the vegetalizing & neutralizing factors of Tiedemann in relation to the establishment of mesoderm in in amphibian development.
On becoming a member of the National Academy.
Handwriting hard to read.
Greetings for Hamburger's 65th birthday