From 1912 until 1915 he studied at the Kunstgewerbeschule, or school of arts and crafts, of Vienna, under the architect Oskar Strnad.:200.
He lived in England from 1938 and became a British citizen in 1947. During the First World War he was called up and served in the Austrian Army 1915–1918. After the war he worked in lithography and etching.
Because of the post-War economic depression in Austria he moved to Munich (1919-1921) and then to Berlin (1921-1923).
He returned to Vienna in 1924, and his interest turned almost exclusively to sculpture. After the Nazi Anschluss in March 1938 it was too dangerous for them to be in Austria.
He became a British citizen in 1947. He was elected an Associate of the Royal Academy in 1962.
From 1951 Ehrlich suffered from heart problems.
He moved to Italy in 1963, and then to Switzerland. He died in Lucerne on 1 July 1966 and was buried in Vienna. Ehrlich exhibited in the Royal Academy ten times, including one posthumous exhibition in 1967.
Other exhibitions include:
”Neue Kunst”, Galerie Hans Goltz, Munich, 1920
Venice Biennale, (Austrian pavilion), 1932, 1934, 1936 and 1958
Paris World Exposition, 1937 (gold medal)
Matthiesen Gallery, London, 1939
Sculpture in the Home, Arts Council Exhibition, 1946
Leicester Galleries, 1950
Royal Scottish Academy, 125th exhibition, 1951
Aldeburgh Festival, 1964.