List of Famous people who died at 77

Marcel Gilles Jozef Minnaert was a Dutch astronomer of Belgian origin. He was born in Bruges and died in Utrecht. He is notable for his contributions to astronomy and physics and for a popular book on meteorological optics: Light and colour in the open air, first published in English in 1940.

Redovino Rizzardo was a Roman Catholic bishop.

Mark Stevens was an American actor, who appeared in films, and on television. He was one of four who played the lead role in the television series, Martin Kane, Private Eye, which aired on NBC – he appeared in 1953–1954.

Luvsanjambyn Mördorj was a Mongolian composer. He was one of the leading composers of Mongolia in the 1950s and 1960s. His symphonic work My Homeland, also known as Manai Ekh Oron, composed in 1955, was the first such work written in Mongolia. He was also a co-composer of the national anthem of Mongolia. He was cited as belonging to “the nineteenth century European school of composers" who along with the other Mongolian composers Sembiin Gonchigsumlaa and Eregzengiin Choidog drew inspiration from composers such as Tchaikovsky and Mahler.

The Honourable (Ralph) Edward Gathorne-Hardy was a British Bohemian socialite.