Ganesh Vasudev Mavalankar

Ganesh Vasudev Mavalankar (27 November 1888 – 27 February 1956) popularly known as ''Dadasaheb'', was an Indian politician and independence activist who served as the President (from 1946 to 1947) of the Central Legislative Assembly, then Speaker of the Constituent Assembly of India, and later the first Speaker of the Lok Sabha, the lower house of the Parliament of India. His son Purushottam Mavalankar was later elected to the Lok Sabha twice from Gujarat. Provided by Wikipedia