Group photo of Sixth International Congress of Genetics, 24-31 August 1932, Ithaca, New York, taken outside northwest corner of the New York State Armory and Drill Hall (now Barton Hall), Cornell University Campus. Photo by Troy Studio. (Courtesy of Ed Buckler). All individuals in the photo (except the dog) are named here: http://www.esp.org/books/6th-congress/facsimile/contents/6th-cong-aa-fm-04-participants.pdf with the corresponding published shot here: http://www.esp.org/books/6th-congress/facsimile/contents/6th-cong-aa-fm-05-group-portrait.pdf