context: Radhagovinda was born on July 3, 1900 in the village of Bakchar (also known as Bagchar) in Jessore Sadar Upazila, Bangladesh. Her father Gorachand was a local doctor's assistant, and her mother Padmaukh a housewife. After studying at Bacchor School, Radhagovinda attended Jessore Zilla School. But he had little interest in education. Rather, the attraction of the night sky was more. He failed to pass the entrance exam three times due to a lack of study. She was married to Govind Mohini of Murshidabad when she was only 25 years of age. At that time, Mohini was only 5 years old. After marriage, Radhagovinda took the entrance exam for the last time and this time failed. Repeatedly, he failed in his studies and entered his career. One of his sons was named Kal and his daughter Barsha.
question: What is the father of astronomer Radhagovinda Chandra?