August 4 Dear Lederberg: I need not tell you how much I enjoyed my visit to Madison . . . . . Since that time I had some tough time at the Oberlin meeting (where I raised some stormy [ . . . ] with the issue of target concepts), at the Cancer Congress (never hold an international convention in your own town!); finally, I was so tired that I gave up this Radiological congress in London, and stood quietly in my lab. At present, almost everyone is out in the country, and it is a bad time for my detective work within the Institut Pasteur. [END PAGE ONE] [BEGIN PAGE TWO] Therefore, I'll wait until late in September before taking care of your inquiry. But be sure I'll do my best about it. Best regards to your wife Sincerely Raymond Latarjet