Faculty and Staff

Hearsey Bryan V. Hearsey, Chair and Professor of Mathematical Sciences.  Coordinator of the Actuarial Science Program.
B.A., Western Washington State College, 1964; M.A., Washington State University, 1966; Ph.D., 1968.

Dr. Hearsey is an Associate of the Society of Actuaries (ASA) and an active member of the academic actuarial community. He serves as the Society of Actuaries liason representative to the Mathematical Association of America and is a member of the Joint CAS/SoA Validation by Educational Experience Administration Committee. Although his original mathematics interest was topology, his primary interests are now actuarial mathematics and finance. He advises actuarial science majors.

Telephone: 717-867-6083
Address: Lynch 283-E
Email: hearsey@lvc.edu
Office Hours


Brazfield Christopher Brazfield, Associate Professor of Mathematical Sciences.
B.A., Reed College, 1993; M.S., University of Oregon, 1995; Ph.D., 1999.

With his selection as one of only 70 mathematicians chosen for the Mathematical Association of America's 2000 Project NExT Fellowships, Dr. Brazfield adds to his reputation as a committed, involved teacher. His training is in the area of non-commutative algebraic geometry. He has interest in the areas of computational algebraic geometry, Groebner basis theory, and computer science. He is the contact person for students interested in taking the William Lowell Putnam Mathematical Competition.

Telephone: 717-867-6088
Address: Lynch 283H
Email: brazfiel@lvc.edu
Office Hours
Personal Home Page


Brewer Patrick Brewer, Associate Professor of Mathematical Sciences.
B.S., Northern Arizona University, 1991; M.S., University of Oregon, 1993; Ph.D., 1997.

One of only two graduate students on the University of Oregon staff selected for their 1997 University wide graduate teaching award, Professor Brewer joins the LVC faculty as a dedicated, caring teacher and is the advisor of the Math Club. His particular mathematical interests lie in the area of reflection groups.

Telephone: 717-867-6082
Address: Lynch 283 I
Email: brewer@lvc.edu
Office Hours


Cobbs Leigh Cobbs, Assistant Professor of Mathematical Science.

Telephone: 717-867-6086
Address: Lynch 283-F
Email: cobbs@lvc.edu


Dewald Timothy M. Dewald, Assistant Professor of Mathematical Sciences.
B.A., Dickinson College, 1970; M.Div., Andover Newton Theological School, 1975.

Reverend Dewald is interested in the history of mathematics and enjoys teaching students with "math anxiety." He teaches Elementary Statistics. He is a winner of the Knisely Teaching award.

Telephone: 717-867-6079
Address: Lynch 285-A
Email: dewald@lvc.edu


Fry Michael D. Fry, Professor of Mathematical Sciences.  Director of the Computer Science Track for Engineering.
B.A., Immaculate Heart College, 1975; Ph.D., University of Illinois, 1980.

An avid practitioner of computer science and an accomplished mathematician, Dr. Fry heads the Computer Science Program and is the advisor for Computing Science students. He is also the advisor of the Computer Club. Trained as a mathematician, he has special interests in graphics, fractals, applications of group theory, operating systems, and computer architecture.

Telephone: 717-867-6084
Address: Lynch 283C
Email: fry@lvc.edu
Office Hours


Lyons David W. Lyons, Associate Professor of Mathematical Sciences.
B.S., Davidson College, 1981; Ph.D., University of North Carolina at Chapel Hill, 1996.

Dr. Lyons has broad mathematical interests in the areas of geometry, topology, algebra, and computer visualization. His current research is in mathematical physics in the area of quantum information theory. His pedagogical scholarship centers around the use of visualization, particulary with animation, for teaching mathematical concepts. Away from the office, he is advisor and master instructor for the Taekwondo Club.

Telephone: 717-867-6081
Address: Lynch 283G
Email: lyons@lvc.edu
Office Hours
Personal Home Page


Mark A. Townsend, Professor Emeritus of Mathematical Sciences.
B.S., Bethany Nazarene College, 1965; M.A., Oklahoma University, 1969; Ed.D., Oklahoma State University, 1983.

A winner of the Lindback Award for Distinguished Teaching, Dr. Townsend is recognized for his exceptional interest and concern for students. His interests include numerical analysis, teaching methods and classroom innovation for both Mathematical Science majors and math students in general. He also enjoys teaching elementary computer science.

Email: townsend@lvc.edu
Office Hours


Yarnall Kenneth Yarnall, Associate Professor of Mathematical Sciences.  Coordinator of the Computer Science Program.  Acting Chair.
B.S., South Carolina College, 1986; Ph.D., University of South Carolina, 1992.

Professor Yarnall has interests ranging from pure mathematics to computer science to the history and philosophy of science. Trained as an analyst, he teaches both mathematics and computer science. He is the advisor for the Association for Computing Machinery (ACM) student chapter, and he advises computer science majors.

Telephone: 717-867-6085
Address: Lynch 283B
Email: yarnall@lvc.edu
Office Hours


Support Staff

Susan M. Snyder, Secretary of Mathematical Sciences, Psychology, Art and Art History.

Telephone: 717-867-6080
Address: Lynch 283A
Email: ssnyder@lvc.edu