Hamburger, Viktor
A welcoming note for Hamburger's visit to the University of Pennsylvania in December.
Typewritten letter, 1 page
Typewritten letter, 1 page
Readjustment back to the Belgium life and answer to Hamburger's request of recommending a student.
thank you for invitation to visit and sending of reprints, discussion of meeting and research
Suggestion of people to write recommendation letter for the Sloan Research Fellowship.
Discussions about differences of NGF in developing chick embryos and in sarcomas
Updates about plans to visit the US.
Typewritten letter, 1 page
Handwritten letter, 2 pages
