Richard F. Johnsonbaugh (born 1941) is an American

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

and

computer scientist A computer scientist is a scientist who specializes in the academic study of computer science. Computer scientists typically work on the theoretical side of computation. Although computer scientists can also focus their work and research on ...

. His interests include discrete mathematics and the

history of mathematics The history of mathematics deals with the origin of discoveries in mathematics and the History of mathematical notation, mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples ...

. He is the author of several textbooks. Johnsonbaugh earned a bachelor's degree in mathematics from

Yale University Yale University is a Private university, private Ivy League research university in New Haven, Connecticut, United States. Founded in 1701, Yale is the List of Colonial Colleges, third-oldest institution of higher education in the United Stat ...

, and then moved to the

University of Oregon The University of Oregon (UO, U of O or Oregon) is a Public university, public research university in Eugene, Oregon, United States. Founded in 1876, the university is organized into nine colleges and schools and offers 420 undergraduate and gra ...

for graduate study.Author biography from ''Discrete Mathematics'' (8th ed.) He completed his Ph.D. at Oregon in 1969. His dissertation, ''I. Classical Fundamental Groups and Covering Space Theory in the Setting of Cartan and Chevalley; II. Spaces and Algebras of Vector-Valued Differentiable Functions'', was supervised by Bertram Yood. He also has a second master's degree in computer science from the University of Illinois at Chicago. He is currently

professor emeritus ''Emeritus/Emerita'' () is an honorary title granted to someone who retirement, retires from a position of distinction, most commonly an academic faculty position, but is allowed to continue using the previous title, as in "professor emeritus". ...

at De Paul University.

Books

*''Discrete Mathematics'' (MacMillan, 1984; 8th ed., Pearson, 2018) *''Foundations of Mathematical Analysis'' (with W. E. Pfaffenberger, Marcel Dekker, 1981; Dover, 2010) *''Applications Programming in ANSI C'' (with Martin Kalin, Prentice Hall, 1993; 3rd ed., 1996) *''Object-oriented Programming in C++'' (with Martin Kalin, Prentice Hall, 1995) *''Algorithms'' (with Marcus Schaefer, Prentice Hall, 2003)Review of ''Algorithms'': *Dean Kelley (2009), ''SIGACT News'',

References

External links

Richard Johnsonbaugh's webpage at De Paul
20th-century American mathematicians 21st-century American mathematicians American computer scientists Living people Yale University alumni University of Oregon alumni University of Illinois Chicago alumni DePaul University faculty 1941 births American textbook writers {{US-mathematician-stub