Herbert A. Simon, Peter Drucker and Dwight Waldo,

Peter Drucker 晚年曾與Simon共同去世界銀行的研討會演講
其實他早在1952年的
the American Political Science Review
一起 與 D. Waldo 筆戰
Herbert A. Simon, Peter Drucker and Dwight Waldo, "`Development of Theory of Democratic A dministration': Replies and Comments," American Political Science Review 46, no. 2 (1952): 494-503, at 501. 42.

1. on Page 134: "... for that was strongly critical of Simon and another new analyst of administration, Peter Drucker.63 Both Simon and Drucker replied in the next issue. Simon came out swinging, ..."