List of Famous people who died at 90

William Joseph Roberts was an American professional basketball player. He was born in Fort Wayne, Indiana.

Gorō Azumaya was a Japanese mathematician who introduced the notion of Azumaya algebra in 1951. His advisor was Shokichi Iyanaga. At the time of his death he was an emeritus professor at Indiana University.

Willem Hendrik Gispen was a Dutch industrial designer, best known for his Giso lamps and serially produced functionalist steel-tube furniture.

Aurelio Sabattani JUD was an Italian Cardinal of the Roman Catholic Church. He served as Prefect of the Apostolic Signatura from 1967 until his death and was elevated to the rank of cardinal in 1983.

Georg Wittig was a German chemist who reported a method for synthesis of alkenes from aldehydes and ketones using compounds called phosphonium ylides in the Wittig reaction. He shared the Nobel Prize in Chemistry with Herbert C. Brown in 1979.

Augusto Petró was a Brazilian bishop of the Roman Catholic Church and was one of oldest bishops in the Catholic Church and one of oldest Brazilian bishops.