Question: Herbert Orin "Fritz" Crisler, was an American college football coach who is best known as "the father of two-platoon football," an innovation in which separate units of players were used for offense and defense, before coaching, he played football at the University of Chicago under who, who nicknamed him Fritz after violinist Fritz Kreisler?

<P0-S0> Paul Grover White (November 13, 1921 – June 3, 1974) was an American football player and coach. <P0-S1>  He played college football as a halfback for Fritz Crisler's University of Michigan Wolverines football teams in 1941, 1942, 1943, and 1946 — missing the 1944 and 1945 seasons due to military service. <P0-S2>  He served as the captain of the 1943 Michigan team that compiled a record of 8–1 (6–0 Big Ten) and finished the season ranked No. 3 in the AP Poll. <P0-S3>  In 1944, he received Michigan's Big Ten Medal of Honor as the who had best demonstrated proficiency in scholarship and athletics. <P0-S4>  He also played professional football for the Pittsburgh Steelers in 1947. <P0-S5>  He played in 11 games for the Steelers, gaining 240 all-purpose yards and scoring one touchdown. <P0-S6>  His longest run in the NFL was good for a 52-yard gain. <P0-S7>  In 1949, he served as the backfield coach at Hillsdale College. <P0-S8>  In March 1950, he was hired as the backfield coach at the University of Connecticut. <SEP> <P1-S0> Herbert Orin "Fritz" Crisler (January 12, 1899 – August 19, 1982) was an American college football coach who is best known as "the father of two-platoon football," an innovation in which separate units of players were used for offense and defense. <P1-S1>  Crisler developed two-platoon football while serving as head coach at the University of Michigan from 1938 to 1947. <P1-S2>  He also coached at the University of Minnesota (1930–1931) and Princeton University (1932–1937). <P1-S3>  Before coaching, he played football at the University of Chicago under Amos Alonzo Stagg, who nicknamed him Fritz after violinist Fritz Kreisler. <SEP> <P2-S0> Friedrich "Fritz" Kreisler (February2, 1875January29, 1962) was an Austrian-born violinist and composer. <P2-S1>  One of the most noted violin masters of his day, and regarded as one of the greatest violin masters of all time, he was known for his sweet tone and expressive phrasing. <P2-S2>  Like many great violinists of his generation, he produced a characteristic sound which was immediately recognizable as his own. <P2-S3>  Although it derived in many respects from the Franco-Belgian school, his style is nonetheless reminiscent of the "gemütlich" (cozy) lifestyle of pre-war Vienna. <SEP> <P3-S0> Paul Stagg (March 18, 1909 – September 4, 1992) was an American football player, coach, and college athletics administrator. <P3-S1>  He served as the head football coach at Moravian College (1934–1936), Springfield College (1937–1940), Worcester Polytechnic Institute (1941–1946), and Pacific University in Forest Grove, Oregon (1946–1960), compiling a career college football record of 94–99–12. <P3-S2>  Stagg played football as a quarterback at the University of Chicago, where his father, Amos Alonzo Stagg, was the head coach. <P3-S3>  He was an assistant coach under his father at Chicago in the fall of 1932 before graduating in December with a Bachelor of Science, majoring in geography. <P3-S4>  He followed the elder Stagg in 1933 to the University of the Pacific in Stockton, California, where he served as an assistant coach for a season before taking the head coaching job at Moravian. <P3-S5>  Paul Stagg returned to the University of the Pacific in 1961 as director of physical education and intercollegiate athletics, a capacity in which he served until 1967.