Who created POSDCORB in 1937 as part of President Roosevelt's administrative committee...? Mcqs

Who created POSDCORB in 1937 as part of President Roosevelt's administrative committee...?

(A) Luther Gulick and Lyndall Urwick

(B) Max Weber and Frederick Taylor

(C) Henri Fayol and Elton Mayo

(D) Peter Drucker and Douglas McGregor