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Kenneth Albert Retzer

entrepreneur , mathematics professor

Kenneth Albert Retzer, American mathematics professor, entrepreneur. Certified teacher, Illinois, 1954-1957; certified school administration, Illinois, since 1957.


Retzer, Kenneth Albert was born on November 6, 1933 in Jacksonville, Illinois, United States. Son of Samuel Stark and Cora Edith (Martin) Retzer.


AB, Illinois College, 1954;Master of Education, University of Illinois, 1957;Doctor of Philosophy, University of Illinois, 1969.


Teacher Saunemin (Illinois) Township High School, 1954-1958, assistant superintendent, 1955-1958. Professor mathematics Illinois State University, Normal, 1959-1989, Abilene (Texas) Christian University, 1989—1997. Vice president, board directors DR Global Enterprises, Doctor of Business Administration Cafe China, Doctor of Business Administration DR Gifts and Accessories, 1995—2000.

Vice president, board director WD Management LLC, Doctor of Business Administration Gary's Pizza, 2002—2006. Assistant chairman mathematics department Illinois State University, Normal, 1969-1971. Visiting professor University Georgia, Athens, 1973, Texas Agricultural and Mechanical University, College Station, 1984, University Hawaii-Maui, Kahului, 1990, 91.

Consultant Arabian American Oil Corporation, Dhahran, Saudi Arabia, 1984, Illinois State Board Education, Springfield, 1983-1988. Research fellow University Western Sydney, Australia, 1993. Lecturer Zhejiang University, Hangzhou, China, Northwest Normal University, Lanzhou, China, Gansu Education University, Lanzhou, Lanzhou Normal University, Zhangye Normal University, China, summer 1994.


  • Certified teacher, Illinois, 1954-1957. Certified school administration, Illinois, since 1957.


  • Contributor articles to professional journals in the United States, Canada, China.


Member National Education Association, American Association of University Professors, National Council Teachers of Mathematics, School of Science and Mathematics Association, Mathematics Association American, Research Council on Diagnostic and Prescriptive Mathematics Illinois Council Teachers of Mathematics (Max Beberman award 1988), Texas Council Teachers of Mathematics, Big County Council Teachers of Mathematics, Illinois Association Higher Education, Pi Mu Epsilon, Phi Delta Kappa.


  • Other Interests

    Avocations: travel, photography, hiking, reading, Christian studies.


Married Dorcas Anne Schroeder, April 18, 1954 (deceased August 4, 1990). Children: Martin Wayne, Kent Arnold, Sheryl Kaye. Married Wei Dong, February 14, 1991.

Children: Roger Dong Retzer, Kenneth Samuel Retzer.

Samuel Stark Retzer

Cora Edith (Martin) Retzer

Dorcas Anne Schroeder

Wei Dong

Martin Wayne Retzer

Kent Arnold Retzer

Sheryl Kaye Retzer

Roger Dong Retzer

Kenneth Samuel Retzer