George Penfield Shears (April 13, 1890 – November 12, 1978) was a Major League Baseball pitcher. Shears played for the New York Highlanders in 1912. In 4 career games, he had a 0–0 record, with a 5.40 ERA. He batted right-handed and threw left-handed.George Shears was a Doctor of Chiropractic who led the G.P.C. chiropractic movement in the late 1930s, '40s and early '50s.Shears was born in Marshall, Missouri, and died in Loveland, Colorado.