He was born in Kraków. His father was a Lemko of Greek Catholic rite and came from Odrzechowa in the Sanok district, his mother Anna Harnlender was a Pole with German roots.
He also painted portraits, landscapes, still lifes, and abstract pictures. His works are found in Polish museums and in private collections in Canada, the US, and Germany. In 1993, he received the Commander's Cross of the Order of Polonia Restituta[4] and was also awarded a prize by the Polish cultural foundation Wielka Fundacja Kultury. In 2000, he received an honorary doctorate from the Jagiellonian University. In 2008, he was awarded the Gold Medal for Merit to Culture – Gloria Artis.[5]
In 2022, a unique ceramic mosaic depicitng St Francis of Assisi by Nowosielski created in 1980 was discovered in the Warsaw district of Izabelin and added in 2023 to the register of cultural property due to its artistic and historic significance.[6]
Remembrance
In 2023, on the 100th anniversary of Nowosielski's birth, the Polish Parliament declared 2023 as the Year of Jerzy Nowosielski to celebrate the artist and his legacy.[7] In December 2023, he was the central figure of the exhibition "The Art of Seeing: Nowosielski and Others" organized at the Royal Castle in Warsaw.[8]