Hamburger, Viktor
On the arrival of his new collaborator Rita Levi-Montalcini. On Yamado's experiments with A. punctatum. On obtaining frog eggs. On the technique of hypoph. injection. On their planned book.
On Holtfreter's visa approval. Inivitation to St. Louis.
On Holtfreter's criticism of Weiss.
Proposing a review by Jane Oppenheimer on comparative gastrulation in vertebrates.
On his upcoming courses on Developmental Genetics and Chemical Embryology (Together with Florence Moog & Yamada). On Martha's mental health condition.
On induction. On Bill Muchmore collecting material for Holtfreter's Embryology course.
Typewritten letter, 1 page, signed 'Wally'
Typewritten letter, 2 pages, signed 'Wally'
Handwritten letter, 4 pages, signed 'Wally'
Handwritten letter, 2 pages, signed 'Wally'
Typewritten letter, 1 page
Typewritten letter, 1 page