Complex sentence: Biswamoy Biswas (June 2,1923-August 10,1994) was an Indian ornithologist who was born in Calcutta, the son of a professor of Geology.
Split into simpler sentences: Biswamoy Biswas (June 2,1923-August 10,1994) was an Indian ornithologist. Biswas was born in Calcutta, the son of a professor of Geology.