Peter F. Drucker (1909–2005) American business consultant
Source: 1930s- 1950s, Landmarks of Tomorrow: A Report on the New 'Post-Modern' World (1959), p. 144
"An insight into the purpose of prosperity", Financial Times (September 20, 2004)
2000s, "An insight into the purpose of prosperity," 2004
Peter F. Drucker (1909–2005) American business consultant
Source: 1930s- 1950s, Landmarks of Tomorrow: A Report on the New 'Post-Modern' World (1959), p. 144
Susan Cain (1968) self-help writer
"The quiet strength of the introvert," The Chicago Tribune, February 20, 2012.
Amartya Sen (1933) Indian economist
"An insight into the purpose of prosperity", Financial Times (September 20, 2004)
2000s, "An insight into the purpose of prosperity," 2004
John Dean (1938) American lawyer, politician
Memorandum from Dean to Lawrence Higby dated August 16, 1971, regarding the purpose of Nixon's Enemies List
Lyndon B. Johnson (1908–1973) American politician, 36th president of the United States (in office from 1963 to 1969)
1960s, The American Promise (1965)
James Comey (1960) American lawyer and the seventh director of the Federal Bureau of Investigation (FBI)
2010s, Hard Truths: Law Enforcement (2015)
“You can easily judge the character of a man by how he treats those who can do nothing for him.”
Simon Sinek (1973) British/American author and motivational speaker
Source: Leaders Eat Last: Why Some Teams Pull Together and Others Don't
C. West Churchman (1913–2004) American philosopher and systems scientist
Source: 1960s - 1970s, The Systems Approach (1968), p. x
Eric Gill (1882–1940) British artist
Art Nonsense and Other Essays (1929), published by Cassell; quoted in Eric Gill: Man of Flesh and Spirit by Malcolm Yorke, published by Tauris Parke ISBN 1-86064-584-4, p. 49
Herbert A. Simon book Administrative Behavior
Source: 1940s-1950s, Administrative Behavior, 1947, p. xiv.