premise: Thomas "Tim" Buckley (May 28, 1942 – April 16, 2015) was an American anthropologist and Buddhist monastic best known for his long-term ethnographic research with the Yurok Indians of northern California, his early work in the anthropology of reproduction, and for his major reevaluation of the work of Alfred L. Kroeber.
hypothesis: Thomas Buckley lived until he was 75 years old
reason: Thomas Buckly was born in 1942 and died in 2015 so he was 72 years old, almost 73