people
On receiving Holtfreter's manuscript. Informal invitation to the US. Thank-you note for BW-Bali pictures sent by Holtfreter.
On induction. "I agree with you that it is about the most inopportune moment to write about induction, when we all have to revise our concepts completely."
On his NSF grant application. On his recent paper on thymidine and cell adhesion. On radioactive labelling methods. On Hiroko Holtfreter's studies on the field properties of the organizer. In this letter Johannes Holtfreter claims that he has written Hiroko Holtfreter's thesis. On Caspari and Paul Weiss.
Comments on manuscirpt
On general trends in embryology. On Kuehn. On Rita Levi-Monatlcini's new research program: "Rita is moving into a combination of neuro-embryol. And neuro-physiol. (electro-) with the enthusiastic help of our Chilean friend Nanno Orrego (...)."
On his plans for essays on the history of the organizer. On Holtfreter's work on the organizer with Spemann, Mangold et al. in 1932.
On Hamburger's corrections of Holtfreter's manuscript. On visiting Max Delbrueck at Nashville, Tennessee.
Research and personnel updates
Scheduling meeting
Notification of appointment as Research Associate in Zoology in 1964.
Typewritten letter, 2 pages