Dr. Ira Theodore Nathanson, associate clinical professor of Surgery, died yesterday, minutes after delivering a lecture at the Medical School. Death was attributed to a heart attack.
Nathanson, 49, was appointed to a professorship in 1951, and had been on the Medical faculty since 1939. He was noted for his research concerning cancer and sex hormones.
Active in the state cancer program, he headed the Massachusetts General Hospital's research in cancer surgery.
He is survived by his parents, and a sister.