R. Keith Dennis (born Roger Keith Dennis on March 10, 1944) is a mathematician known for his work in algebraic K-theory and group theory. His whole career has been spent in the Department of Mathematics at Cornell University, where he is now Professor Emeritus.
He has been on the Board of Advisors of AIM (The American Institute of Mathematics) since its inception.
Mathematician Roger Keith Dennis (who goes by Keith Dennis, and publishes as R. Keith Dennis) was born on March 10, 1944 in Vernon, Texas, and grew up on a farm 8 miles north of Quanah, Texas. He graduated from Quanah High School in 1962, and attended Rice University, earning his bachelor's in 1966 and his doctorate in 1970. His thesis on "Presentation for the Elementary Group and the Functor
K2
Since 1971, he has been in the Department of Mathematics at Cornell University, being promoted to full professor in 1981. From 1987 to 1993 he served as the department chair.
From Jan 1995 through Jun 1998, Dennis was Executive Editor of the American Mathematical Society’s Mathematical Reviews (MR). During this period MR designed and began the development of MathSciNet which went online in January of 1996.
In 2013 Dennis was in the inaugural class of fellows of the American Mathematical Society.