What is "critchfield"

Critchfield is a surname. Notable people with the surname include:

• Charles Critchfield (1910–1994), American mathematical physicist at the Los Alamos National Laboratory
• Jack Critchfield (born 1933), Florida Progress Corporation Chairman
• James H. Critchfield (1917–2003), American CIA officer
• Larry Critchfield (1908-1965), NFL player
• Richard Critchfield, American essayist and MacArthur fellow
• Russ Critchfield (born 1946), American former basketball player