context: He started writing in the 1960s.
source: Radhakrishnan was the administrative manager and general manager of DC Books and Current Books from 1979 to 2002.
reference_original: Radhakrishnan foi gerente administrativo e gerente geral da DC Books e da Current Books de 1979 à 2002.
reference_flipped: Radhakrishnan foi gerente administrativa e gerente geral da DC Books e da Current Books de 1979 à 2002.