Marian Kruczek was born on December 27, 1927, in Płowce near Sanok. In 1946, he moved to Kraków, where he continued his studies at the high school of fine arts. In 1948, he passed his high school graduation exams. He studied at the Academy of Fine Arts in Kraków. In 1954, he received his diploma under Professor Łakomski. He was a lecturer at the Academy of Fine Arts in Kraków.

He died in Kraków in 1983. He worked in painting, sculpture, and printmaking. He presented his works at over 50 solo exhibitions and participated in more than 150 group exhibitions in Poland and abroad, including at Konstsalongen Kavaletten in Uppsala, the Maya Gallery in Brussels, Grona Paletten in Stockholm, the Bundy Art Gallery in New York, and the Lambert Gallery in Paris. From a combination of found objects—machine parts, gears, wires, screws, beads, and shells—he created original art that straddles the line between folk fairy tales and animal fantasy. His spatial compositions, sculptures, reliefs, and prints make up an evocative world of artistic vision