Question: In American football the air raid offense refers to an offensive scheme popularized by such coaches as which American college football coach, the head coach of the Washington State Cougars football team?  
Context: The 1988 Washington State Cougars football team was an American football team that represented Washington State University in the Pacific-10 Conference (Pac-10) during the 1988 NCAA Division I-A football season.  In their second season under head coach Dennis Erickson, the Cougars compiled a 9–3 record (5–3 against Pac-10 opponents), finished in a tie for third place in the Pac-10, and outscored their opponents by a combined total of 415 to 303.  On October 29, Washington State beat No. 1 UCLA at the Rose Bowl, their first and only win ever over a No. 1 ranked team. The 1997 Washington State Cougars football team was an American football team that represented Washington State University in the Pacific-10 Conference (Pac-10) during the 1997 NCAA Division I-A football season.  In their ninth season under head coach Mike Price, the Cougars compiled a 10–2 record (7–1 against Pac-10 opponents), won the Pac-10 championship, lost to Michigan in the 1998 Rose Bowl, and outscored their opponents by a combined total of 483 to 296.  The Cougars and played their home games at Martin Stadium in Pullman, Washington. The 1920 Washington State Cougars football team was an American football team that represented Washington State College during the 1920 college football season.  Head coach Gus Welch led the team to a 1–1 mark in the PCC and 5–1 overall.  This year marked the team's adoption of the "Cougars" nickname. The 1958 Washington State Cougars football team was an American football team that represented Washington State University in the Pacific Coast Conference (PCC) during the 1958 college football season.  In their third season under head coach Jim Sutherland, the Cougars compiled a 7–3 record and outscored their opponents by a combined total of 199 to 117. Orin Ercel "Babe" Hollingbery (July 15, 1893 – January 12, 1974) was an American football coach.  He served as the head football coach at the State College of Washington—now known as Washington State University—for 17 seasons, from 1926 to 1942, and compiled a record of 93–53–14 ( ).  Hollingbery's 93 wins are the most by any head coach in the history of the Washington State Cougars football program.  He was inducted into the College Football Hall of Fame in 1979. The 1919 Washington State Cougars football team was an American football team that represented Washington State College during the 1919 college football season.  Head coach Gus Welch led the team to a 2–2 mark in the PCC and 5–2 overall.  This year marked the team's adoption of the "Cougars" nickname. Bob Newman (born c. 1938) was an American football player.  He played college football for Washington State Cougars football team from 1956 to 1958.  He ranked second behind John Brodie among NCAA major college players with 1,240 passing yards in 1956.  In 10 games during the 1957 season, he completed 104 of 188 passes for 1,391 passing yards and 13 touchdowns, and he also compiled 1,444 yards of total offense.  He led the NCAA major colleges that year in total offense and ranked second in passing yards.  He also led the Pacific Coast Conference in 1957 in pass completions (104), pass completion percentage (55.3%), and passing touchdowns (13).  Newman was unanimously selected as a first-team player on the Associated Press' 1957 All-Pacific Coast Conference football team.  Newman was drafted by the San Francisco 49ers but did not make the team.  He signed with the Oakland Raiders in September 1960.  He was inducted into the Washington State Hall of Fame in 2011. Michael Charles Leach (born March 9, 1961) is an American college football coach.  He is the head coach of the Washington State Cougars football team.  Previously, he was head coach of the Texas Tech Red Raiders football team, leading the Red Raiders to winning seasons in every year of his tenure. In American football the air raid offense refers to an offensive scheme popularized by such coaches as Mike Leach, Hal Mumme, Sonny Dykes, and Tony Franklin during their tenures at Valdosta State, Kentucky, Oklahoma, Texas Tech, Louisiana Tech, and Washington State. The 1947 Washington State Cougars football team was an American football team that represented Washington State College in the Pacific Coast Conference (PCC) during the 1947 college football season.  Phil Sarboe, in his third of five seasons as head coach at Washington State, led the team to a 2–5 mark in the PCC and 3–7 overall.
Answer: Michael Charles Leach