Complex sentence: Greta Knutson or Knutson-Tzara (also known as Greta Knutsson; 1899-1983) was a Swedish modernist visual artist, art critic, short story writer and poet, who was the wife of Romanian-born author and co-founder of Dadaism Tristan Tzara.
Split into simpler sentences: Greta Knutson or Knutson-Tzara (also known as Greta Knutsson; 1899-1983) was a Swedish modernist visual artist, art critic, short story writer and poet. Knutson was the wife of Romanian-born author and co-founder of Dadaism Tristan Tzara.