(Gustav) Allan Pettersson
Born: 19th September 1911, Granhammar Castle, Sweden
Died: 20th June 1980, Stockholm, Sweden
Nationality: Swedish
Gustaf Allan Pettersson was a Swedish composer and violist. He is considered one of the 20th century's most important Swedish composers.: 3 In the final decade of his life, his symphonies (typically one-movement works) developed an international following, particularly in Germany and Sweden. Of these, his best known work is Symphony No. 7. His music later found success in the United States.: 7 The conductors, Antal Doráti and Sergiu Comissiona, premiered and recorded several of his symphonies. Pettersson's song cycle Barefoot Songs influenced many of his compositions.
Read more at https://en.wikipedia.org/wiki/Allan_Pettersson