Bento Mário Villamil Gonçalves (in back row, middle, with glasses) ad his staff of anesthesiologists at pedro Ernesto Hospital, Rio de Janeiro, 1969. This was the first group in Brazil to perform nerve blocks for the treatment of chronic pain. The other heads of staff were Peter Spiegel (first person on the right) and José Paulo Drummond (first person on the left)

IASP Online Archives http://www.library.ucla.edu/libraries/biomed/iasp/ John C. Liebeskind History of Pain Collection History & Special Collections Division UCLA Louise M. Darling Biomedical Library ©2001 The Regents of the University of California