Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer
Source: The present state of art of industrial management, 1913, p. 1224
Source: The present state of art of industrial management, 1913, p. 1124-5 ; (*) See Primer of Scientific Management, F. B. Gilbreth, p. 56; Psychology of Management, L. M. Gilbreth, chap. 8; Motion Study, F. B. Gilbreth, p. 36.
Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer
Source: The present state of art of industrial management, 1913, p. 1224
Hugo Diemer (1870–1937) American mechanical engineer
(1921, p. 10)
Factory organization and administration, 1910
Peter F. Drucker (1909–2005) American business consultant
Source: 1960s - 1980s, MANAGEMENT: Tasks, Responsibilities, Practices (1973), Part 1, p. 181
Kenneth E. Boulding (1910–1993) British-American economist
Source: 1950s, The Skills of the Economist, 1958, p. 15
Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer
Source: The present state of art of industrial management, 1913, p. 1225
Carroll Quigley (1910–1977) American historian
Source: The Evolution of Civilizations (1961) (Second Edition 1979), Chapter 1, Scientific Method and the Social Sciences, p. 33
Frank Bunker Gilbreth, Sr. (1868–1924) American industrial engineer
Source: Applied Motion Study (1917), p. 3.
Hugo Diemer (1870–1937) American mechanical engineer
(1921, p. 10); Diemer quotes the ASCM committee
Factory organization and administration, 1910
Nigel Cumberland (1967) British author and leadership coach
Source: Your Job-Hunt Ltd – Advice from an Award-Winning Asian Headhunter (2003), Successful Recruitment in a Week (2012) https://books.google.ae/books?idp24GkAsgjGEC&printsecfrontcover&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIGjAA#vonepage&qnigel%20cumberland&ffalse, Managing Teams in a Week (2013) https://books.google.ae/books?idqZjO9_ov74EC&printsecfrontcover&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIIDAB#vonepage&qnigel%20cumberland&ffalse, Secrets of Success at Work – 50 techniques to excel (2014) https://books.google.ae/books?id4S7vAgAAQBAJ&printsecfrontcover&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIJjAC#vonepage&qnigel%20cumberland&ffalse, p.6