An aphorism by this thinker states that both people who take risks and those who don’t make about two mistakes per year. This thinker's first book, The End of Economic Man, is an exploration of the rise and appeal of fascism and is from 1939. This thinker taught for over 35 years at Claremont Graduate University, mentoring thinkers like Ikujiro (-5[1])Nonaka. Jack Welch took inspiration from this thinker's quote “focus on what you do best, and outsource the rest” for GE’s strategy in the 1980s and 90s. Alfred (*) P. Sloan reportedly despised this thinker’s book (-5[1])on General Motors's (-5[1])corporate (10[1])practices titled The Concept of the Corporation. This coiner of the term “knowledge worker” (10[1])propounded “management by objectives” in books like The Practice of Management. (10[1])For 10 points, (10[1])name this Austrian-American “father of management theory.” (10[2]) (10[1]0[3])■END■