Romanist art historian, noted authority on portraiture. She was born in Bielitz, Silesia, Austria which is present-day Bielsko-Biala, Poland. Von Heintze was born Helga Hoinkes, the daughter of Carl Hoinkes (1882-1960), a cloth manufacturer and writer. She studied in Vienna beginning in 1940. She married the book publisher Wolf Freiherr von Heintze during World War II in 1944, becoming Freifrau (Baroness) von Heintze. As the War began to turn in favor of the Allies, she fled with her mother and young son to the west in 1945.

Professor in Graz and later at Vienna (from 1909); major exponent of the concept that western European late antique and medieval arts owed much to the influences of the east. He was born in Bielitz, Silesia, Austria which is present-day Bielsko-Biala, Poland. Strzygowski's father was a clothing manufacturer. His mother, Edle Trass von Friedelfeldt was from minor nobility. He was raised in Biala, Austrian Silesia, predominently Polish in its makeup. Strzygowski attended the Gymnasium in Jena and then a Realschule in Brunn. After graduation at age 18 he entered his father's weaving factory.