The exact origins of the SMART goal-setting model appear to be unknown and remain a subject of ongoing debate.
The Peter Principle is named after Laurence J. Peter, a psychologist and professor of education, who co-authored the 1969 book entitled “The Peter Principle: Why Things Always Go Wrong,” with Raymond Hull.
The “hire for attitude, train for skill” motto is originally attributed to Herb Kelleher, one of the co-founders of US-based Southwest Airlines. When Kelleher became chairman in 1978, he charged the People Department (aka HR) with the responsibility of hiring people with a sense of humour.
Abraham Maslow (1908-1970) was an American professor of psychology who played a major role in laying the theoretical foundations of the "humanistic psychology" movement that emerged in mid-20th century.
The 80/20 rule or Pareto principle is named after Italian economist Vilfredo Pareto, who discovered in the early 1900s that (among other things) 80% of the income and wealth in Italy was owned by 20% of the population.
“Leading Change” (1995) is a seminal work in the field of organisational change and leadership by Harvard Business School professor John Kotter. It is considered by many to be a must read for anyone involved in change management.
Edward de Bono is best known for his book Six Thinking Hats published in 1985. As a leading author on thinking, creativity and problem solving, de Bono coined the term “lateral thinking”, has written over 40 books, was a Rhodes Scholar at Oxford, and has held faculty appointments at the universities of Oxford, Cambridge, London, and Harvard.