Source: https://www.digitalcommonwealth.org/search/commonwealth:fb494m15t

"Doctor Chang standing outside his laboratory at the Worcester Foundation for Experimental Biology -- Shrewsbury (Mass.) in the winter of 1945. Min-Chueh Chang's development of oral contraception with Gregory Goodwin Pincus and John Rock changed human society. Chang also collaborated with Cyril Adams in the 1950s on embryo transfer in farm animals, which led to Chang's innovation of in vitro fertilization, or test-tube fertilization. Dr. Chang's office is now in the Smithsonian in Washington, D. C."