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Earlier, Alfred Tarski proved elementary group theory undecidable. [31] The period of 1960-1980 was one of excitement in many areas of group theory. In finite groups, there were many independent milestones. One had the discovery of 22 new sporadic groups, and the completion of the first generation of the classification of finite simple groups.
Friendster was a social networking service originally based in Mountain View, California, founded by Jonathan Abrams and launched in March 2003. [2] [3] Before Friendster was redesigned, the service allowed users to contact other members, maintain those contacts, and share online content and media with those contacts. [4]
Indian group theorists (4 P) A. Niels Henrik Abel (1 C, 18 P, 1 F) Pages in category "Group theorists"
Alfred D. Chandler, Jr. - management, Pulitzer prize for The Visible Hand: The Managerial Revolution in American Business (1977) Clayton M. Christensen; Alexander Hamilton Church - industrial management (1900s–1910s) C. West Churchman; Stewart Clegg; Ronald Coase - transaction costs, Coase theorem, theory of the firm (1950s) (Nobel Prize in 1991)
Peter Ferdinand Drucker (/ ˈ d r ʌ k ər /; German:; November 19, 1909 – November 11, 2005) was an Austrian American management consultant, educator, and author, whose writings contributed to the philosophical and practical foundations of modern management theory.
Follett, at her graduation from Radcliffe. Mary Parker Follett (3 September 1868 – 18 December 1933) was an American management consultant, social worker, philosopher and pioneer in the fields of organizational theory and organizational behavior.
Chris Argyris (July 16, 1923 – November 16, 2013 [1]) was an American business theorist and professor at Yale School of Management and Harvard Business School.Argyris, like Richard Beckhard, Edgar Schein and Warren Bennis, [citation needed] is known as a co-founder of organization development, and known for seminal work on learning organizations.
The Hersey–Blanchard situational theory: This theory is an extension of Blake and Mouton's Managerial Grid and Reddin's 3-D Management style theory. This model expanded the notion of relationship and task dimensions to leadership, and readiness dimension. 3. Contingency theory of decision-making