List of Famous people who died in 2015

Robert Parker Jameson was an American singer-songwriter who was briefly promoted as a major star in the early 1960s and later attracted a cult following with his 1965 album Songs of Protest and Anti-Protest, issued under the name Chris Lucey. The album's dark lyrics and sophisticated arrangements led its advocates to note similarities with Love's 1967 album Forever Changes. For decades, little was known about Jameson or his origins, and he was more famous for engaging in public disturbances and suicide attempts than his music.

Andrew Noren was an American avant-garde filmmaker.

Per Vilhelm Brüel was a Danish physicist and engineer who pioneered and made fundamental contributions to the development of the physics of sound and vibration. He also formed and founded the world's largest manufacturer and supplier of sound and vibration measurement equipment, systems and solutions, Brüel & Kjær. Brüel was a close friend of Niels Bohr, and despite danger Brüel traveled from Sweden to Denmark during the German occupation with important documents of Bohr's work. Brüel was fluent in Danish, German, English, Swedish, and spoke French and Italian.

Guido Zappa was an Italian mathematician and a noted group theorist: his other main research interests were geometry and also the history of mathematics. Zappa was particularly known for some examples of algebraic curves that strongly influenced the ideas of Francesco Severi.