P. Judson is an Indian Entomologist, who researched much on Dysdercus cingulatus in the 1970s. In the successive decades, he took to teaching of Zoology at Osmania University, Secunderabad, a State-run University u/s 2 (f) of the University Grants Commission Act, 1956. He contributed much to the discipline of Entomology through scholarly articles in scientific journals (see section on writings). He was also a member of the Indian Society for Comparative Animal Physiology.