List of Famous people who died in 1973

Ilona Kabos was a Hungarian-British pianist and teacher.

Creighton Tull Chaney, known by his stage name Lon Chaney Jr., was an American actor known for playing Larry Talbot in the film The Wolf Man (1941) and its various crossovers, Count Alucard in Son of Dracula, Frankenstein's monster in The Ghost of Frankenstein (1942), the Mummy in three pictures, and various other roles in many Universal horror films. He also portrayed Lennie Small in Of Mice and Men (1939) and supporting parts in dozens of mainstream movies. Originally referenced in films as Creighton Chaney, he was later credited as "Lon Chaney, Jr." in 1935, and after Man Made Monster (1941), beginning as early as The Wolf Man later that same year, he was almost always billed under his more famous father's name as Lon Chaney at the studio's insistence. Chaney had English, French, and Irish ancestry, and his career in movies and television spanned four decades, from 1931 to 1971.

Otto Johannes Brendel was a German art historian and scholar of Etruscan art and archaeology.

Carl Henry Eckart was an American physicist, physical oceanographer, geophysicist, and administrator. He co-developed the Wigner–Eckart theorem and is also known for the Eckart conditions in quantum mechanics, and the Eckart–Young theorem in linear algebra.