How many of us know of Nīlakaṇṭha Somayājī?(1444-1545). One of the greatest mathematician-astronomers of the middle ages. He provided a geoheliocentri

How many of us know of Nīlakaṇṭha Somayājī?(1444-1545). One of the greatest mathematician-astronomers of the middle ages. He provided a geoheliocentri