Hendersin Knob is an ice-covered knob rising between the heads of Craft and Rochray Glaciers in the southwest part of Thurston Island

Thurston Island

Thurston Island is an ice-covered, glacially dissected island, long, wide and in area, lying a short way off the NW end of Ellsworth Land, Antarctica. It is the third largest island of Antarctica, after Alexander Island and Berkner Island...

. First plotted from air photos taken by U.S. Navy Operation Highjump, 1946-47. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) for aviation radioman Wendell K. Hendersin, U.S. Navy, a member of the expedition who lost his life in a seaplane crash at Thurston Island on December 30, 1946.