Charles Royal Johnson

Charles Royal Johnson
Born (1948-01-28) January 28, 1948
Elkhart, Indiana, United States
NationalityAmerican
Alma materNorthwestern University, California Institute of Technology
Scientific career
FieldsMathematics
Institutions
ThesisMatrices whose hermitian part is positive definite (1972)
Doctoral advisorOlga Taussky Todd

Charles Royal Johnson (born January 28, 1948) is an American mathematician specializing in linear algebra. He was a Class of 1961 professor of mathematics at College of William and Mary. The books Matrix Analysis and Topics in Matrix Analysis, co-written by him with Roger Horn, are standard texts in advanced linear algebra.