Austrian sculptor Josef Müllner studied from 1896-1902 at the Wien (Vienna) Academy of Fine Arts. From 1906-11 he was a member of the Vienna Secession, but in 1912 moved to the Vienna Künstlerhaus. In 1903 he received the Prix de Rome, which was associated with a one-year study visit to Italy. He was named professor from 1910-48 at the Wien (Vienna) Academy of Fine Arts, and was its rector from 1926-28, then vice rector, retiring in 1948.
His work was part of the sculpture event in the art competition at the 1936 Summer Olympics. His students included, among others, Rudolf Schmidt and Bruno Zach.