| − | '''The Magic of Thinking Big''' by David Swartz is a [[Personal development|self-help]] book written in 1959 that has sold over 6 million copies.<ref>{{cite web|url=http://www.simonandschuster.com/books/The-Magic-of-Thinking-Big/David-Schwartz/9781501118210|title=The Magic of Thinking Big|date=6 October 2015|publisher=Simon & Schuster}}</ref> At Georgia State University, Swartz was a professor of marketing and chairman of the department and Chair of Consumer Finance.<ref>{{Cite news|url=http://dashboard.communitieswhoknow.com/omeka/files/original/e6adeb550bd24d8d83c99d75a47d3dc5.pdf|title=Delta Tau Fraternity Organizes|date=April 24, 1969|work=The Georgia State College Signal|access-date=July 9, 2018|page=8}}</ref><ref>Zailskas, S. 2007, "Book It", Professional Builder, vol. 72, no. 1, pp. 29.</ref><ref>"You've Got to Read This Book: 55 People Tell the Story of the Book That Changed Their Life", 2006, Publishers Weekly, vol. 253, no. 27, pp. 68.</ref> Later, he became a self-help coach, life strategist and founded a leadership development consultancy firm called Creative Educational Services Inc.<ref name=MTB-DS-R-03/><ref name=MTB-DS-R-01/><ref>Clary, J.M., Hadari, M.K., Holmwood, A.B., Schmidt, S.A. & Shapiro, R.S. 1994, "Sales ideas from young Top of the Table producers", Life & Health Insurance Sales, vol. 137, no. 5, pp. 6.</ref> | + | '''The Magic of Thinking Big''' by David Swartz is a [[Personal development|self-help]] book written in 1959 that has sold over 6 million copies.<ref>{{cite web|url=http://www.simonandschuster.com/books/The-Magic-of-Thinking-Big/David-Schwartz/9781501118210|title=The Magic of Thinking Big|date=6 October 2015|publisher=Simon & Schuster}}</ref> At Georgia State University, Swartz was a professor of marketing and chairman of the department and Chair of Consumer Finance.<ref>{{Cite news|url=http://dashboard.communitieswhoknow.com/omeka/files/original/e6adeb550bd24d8d83c99d75a47d3dc5.pdf|title=Delta Tau Fraternity Organizes|date=April 24, 1969|work=The Georgia State College Signal|access-date=July 9, 2018|page=8}}</ref><ref>Zailskas, S. 2007, "Book It", Professional Builder, vol. 72, no. 1, pp. 29.</ref><ref>"You've Got to Read This Book: 55 People Tell the Story of the Book That Changed Their Life", 2006, Publishers Weekly, vol. 253, no. 27, pp. 68.</ref> Later, he became a self-help coach, life strategist and founded a leadership development consultancy firm called Creative Educational Services Inc.<ref>Clary, J.M., Hadari, M.K., Holmwood, A.B., Schmidt, S.A. & Shapiro, R.S. 1994, "Sales ideas from young Top of the Table producers", Life & Health Insurance Sales, vol. 137, no. 5, pp. 6.</ref> |