Timothy B. Spahr
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Timothy B. Spahr is an American astronomer.
He works at the Harvard-Smithsonian Center for Astrophysics, has discovered numerous asteroids and is credited as a co-discoverer of two satellites of Saturn; Callirrhoe and Albiorix.
He also discovered three comets, including two periodic comets (171P/Spahr, P/1998 U4 (Spahr)).