Correspondence
Inquiry into teaching assistantship
On the death of Ray Watterson. On Byron's teaching in experimental embryology.
On his upcoming visit to St. Louis in February and two upcoming seminars there.
Further information on Holtfreter plans to come to United States
On Eastlick.
On administrative issues in relation with his visiting professorship at Washington University.
Obtaining polarization optical equipment
Greetings to Hamburger's 90th birthday. On a paper dealing with cell death (was attached to letter, but is missing). On his research with chick systems. "P.S. The 'organizer' may be identified finally. See Science250, p 33 October 5, 1990)".
Private letter. Has message by Gertrud 'Trudl' Wiehen.
List for reprints
Private letter. Has message by Gertrud 'Trudl' Wiehen.
Discussions regarding personnel