From India to Cambridge
Born in Lahore in British India, Chandrasekhar moved to Cambridge after his physics degree in 1930 and completed his doctorate in 1933. He joined the University of Chicago in 1937 and remained based there throughout his subsequent career.
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The white-dwarf mass limit
His studies of dense stellar matter examined the mass range in which white dwarfs could remain in equilibrium. The Chandrasekhar limit, commonly about 1.4 solar masses, became a central theoretical scale for understanding white-dwarf structure and stability.
A widening theoretical programme
Chandrasekhar also investigated stellar dynamics, radiative transfer, fluid stability, relativity and black holes, presenting successive research programmes in monographs. He shared the 1983 Nobel Prize with nuclear astrophysicist William Fowler, with distinct contributions recognised for each.