people
On becoming a member of the National Academy.
On his article 'Cell Type Expression mediated by Cell Cycle Events and signaled by Mitogens and Growth Inhibitors'. On the regulation of meso-endodermalization of amphibian ectoderm.
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."
Private letter on Weigold's health condition.
Private letter, mainly on politics
Handwriting hard to read.