Includes the names: Jean Clarke, Jean I. Clarke, Jean Illsley Clarke, Ph.D. Jean Illsley Clarke, Ph.D. Jean Illsley Clarke, Ph.D. Jean Illsley Clarke Ph.D.
Jean Illsley Clarke is currently considered a "single author." If one or more works are by a distinct, homonymous authors, go ahead and split the author.
Jean Illsley Clarke is composed of 7 names. You can examine and separate out names.