Group of American and Soviet virologists in Nukava, Russia taken during a visit by a group of 6 American virologists to the USSR. The group of American scientists included Dr. Albert Sabin, Dr. Robert Huebner, Dr. Robert Chanock, Dr. Bill Hammon, Dr. Ed Lynette, and Dr. Fred Davenport. The Soviet scientists included Dr. Mikhail Petrovich Chumakov who is seated next to Dr. Huebner. Dr. Chumakov was the director of the Poliomyelitis Institute. Bella Kaplan, who was Dr. Chumakov’s aide, is seated on Dr. Huebner’s other side.