Retirees

Safwan Akkari, Ph.D., Associate Professor, retired in 2025.

Lowell W. Beineke, Ph.D.

Schrey Professor Emeritus

• E-mail: beineke (at) pfw.edu

• Office: Kettler 288

• Phone: 260-481-6223

• Fax: (260) 481-0155

Lowell Beineke received his Ph.D. from the University of Michigan.  He started at Purdue University Fort Wayne in 1965 and retired from Purdue University Fort Wayne in 2020.  He was a 2014 recipient of the Certificate of Meritorious Service from the Mathematical Association of America.

Research Interests: Graph theory, Combinatorics

Dianne Clark

Mathematics Test Center Administrator

Dianne Clark received her M.A. from Ball State University.

Bill Frederick, Ph.D.

Associate Professor

Bill Frederick retired in 2010, and returned part-time for one semester in Fall 2013.

James Hersberger, Ph.D.

Professor

James Hersberger received his PhD from Purdue University.  He retired in 2022.

Research Interests: Problem Solving, Mathematical Giftedness, School Mathematics Curriculum

Janet Kruse 

Secretary 

Janet Kruse worked in the Department of Mathematical Sciences at Indiana University - Purdue University Fort Wayne (IPFW) until her retirement in Spring 2010. 

• Photo page

Marc Lipman, Ph.D.

Professor

Marc Lipman received his Ph.D. from Dartmouth University.   He was a Professor of Mathematics at IPFW and also served as Dean of the College of Arts and Sciences, 2002-2009.  He retired in 2016.

• Retirement dinner photo page

• Slide show with photos and commentary:  Powerpoint  or PDF 

Research area: Discrete Mathematics

Sue Mau, Ph.D.

Associate Professor

Sue Mau received her Ph.D. from Indiana University.  She retired from Purdue Fort Wayne in 2020.

Research Interests:  Teachers' and Students' Mathematical Understanding, Teachers' Professional Growth, Learning Styles vs. Teaching Styles

Sheila McFarland

Secretary

Mrs. McFarland retired from Purdue Fort Wayne in 2020.

John Osowski

Lecturer, retired from Purdue Fort Wayne in 2025

Doug Townsend

Professor

Doug Townsend received his Ph.D. from the University of Illinois in 1976.  He retired from Purdue Fort Wayne at the end of 2024.

Prof. Townsend served in many administrative roles at PFW, most recently (until 2016) as Department Associate Chair.  Photo page 

Robert (Chip) Vandell, Ph.D.

Associate Professor

Robert Vandell received his Ph.D. from Western Michigan University.  He retired from Purdue Fort Wayne in 2022.

Research Interests: Graph Theory, Graph Connectivity, Secondary Math Education

Joyce K. Vetter

Instructor

Joyce K. Vetter received her Master of Science degree from Western Michigan University.

Photo page from retirement reception, April 2011

Interests: Mathematics Education; Reading, Writing, and Using "Thinking Frames" in Mathematics, Curriculum Development in Precalculus Mathematics

Linda Wagner

Lecturer

Linda received her M.S. from the University of Illinois.  She retired from Purdue Fort Wayne in 2024.

Cecilia Weakley, Ph.D.

Assistant Professor

Cecilia A. Weakley received a Ph. D. from the University of North Carolina at Chapel Hill and taught at Fort Wayne 1989-2019. She has published papers in measure theory and functional analysis, and she is interested in real analysis, topology, and psychological type.  She retired in 2019.

Dianna Zook

Instructor

Dianna L. Zook received her MA from Kent State University.  She retired from PFW in 2021.

Interests: calculus and precalculus curriculum development and technology.