H Rodney Withers

H. (Hubert) Rodney Withers (September 21, 1932 – February 25, 2015) was an Australian radiation biologist and physician. He made many contributions to the fields of radiobiology and clinical radiation therapy, but he is best known for his work on post-radiation tissue repair and the effects of ionizing radiation on normal tissues.

Withers was born in Queensland, Australia. He received his medical degree from the University of Queensland and his PhD and DSc from the University of London. He worked at the Gray Laboratory in England, the National Cancer Institute, the M.D. Anderson Cancer Center, the Prince of Wales Hospital, Sydney, and at UCLA where he served as Professor and Chair of the Department of Radiation Oncology.