List of Famous people who died at 77

Alberto Pedro Calderón was an Argentinian mathematician. His name is associated with the University of Buenos Aires, but first and foremost with the University of Chicago, where Calderón and his mentor, the analyst Antoni Zygmund, developed the theory of singular integral operators. This created the "Chicago School of (hard) Analysis".

Natalya Yevgenyevna Gorbanevskaya was a Russian poet, a translator of Polish literature and a civil-rights activist. She was one of the founders and the first editor of A Chronicle of Current Events (1968–1982). On 25 August 1968, with seven others, she took part in the 1968 Red Square demonstration against the Soviet invasion of Czechoslovakia. In 1970 a Soviet court sentenced Gorbanevskaya to incarceration in a psychiatric hospital. She was released from the Kazan Special Psychiatric Hospital in 1972, and emigrated from the USSR in 1975, settling in France. In 2005, she became a citizen of Poland.