"1949" . . . . . . . . . . . . . "K S Panicker Radhakrishnan" . . . . . "K. S. Panicker Radhakrishnan" . . . . . . . . . . . "1949-05-15" . "KS Radhakrishnan" . . . . "K. S. Radhakrishnan" . . . . "K. S. Panicker Radhakrishnan" . . . . . . . . .