Rockefeller Institute for Medical Research staff, 19201920Names written in ink on bottom of photograph. First row L-R: Ralph Boots; Francis G. Blake; J. Harold Austin; Rufus L. Cole; Homer F. Swift; Donald D. Van Slyke; Edgar Stillman. To the right and back of Blake is John Punnett Peters. Blake and Peters came from the Rockefeller Institute to Yale.still image