An Landers Chicago, Mlinci C0614 June 8, 1972 Professor Joshua Lederberg Department of Genetics School of Medicine Stanford University Palo Alto, California 93405 Dear Josh: "A pathologist does not a geneticist make." I made that up myself, but I think it's pretty good. What about this doctor in Hartford? It has been my understanding that first cousins can safely marry. My phySician friends have told me for years that the children of first cousins are no nuttier than the kids of non-related parents. Please, Josh, a sentence or two from you? Warm regards, EFL/sk encl.