He began his career in 1890 at the Folies Caprices, where he partnered with actor Sándor Rott and he remained for 18 years.

[2] Between September 1918 and 1927, he led the "Little Comedy Theater" (Kis Komédia) together with Rott.

His authored books include: Hungarian: Steinhardt mesél, lit.

'Steinhardt Tells Stories' (1935); and Hungarian: Ötven víg esztendő, 1890–1940, lit.

[2] During either November, or December 1944, the Arrow Cross Party, a far-right fascist Hungarian ultranationalist party, marched him and his wife to the edge of the Danube River, where they were shot and pushed into the water.