Dr. Satya Prakash Pathak, Principal Scientist in Indian Institute of Toxicology Research, Lucknow under CSIR, Govt. of India, born on 20th July, 1953 did M.Sc. in Zoology in 1974 followed by Ph.D. and Law graduate from Lucknow University. His area of interest is aquatic microbiology with particular emphasis on water disinfection methods.