. . . . . . "John Chisholm" . . . . "Chisholm, J. S. R." . . . . . . "1926" . . "2015" . . . . . . "John Stephen Roy Chisholm" . . . . . . . . . . . "J. S. R. Chisholm" . . . . . . . . . . . "Roy Chisholm" . . . . . "1926-11-26" . "John Stephen Roy Chisholm" . . . .