He focused mainly on portraits and the technique of photography with mirrors. His real name was Israel Schmuklerski. The family moved in 1876 to Zurich, Switzerland, where the family was naturalized.
In 1888, Lerski emigrated to the United States, where he worked as an actor.
Around 1910, he began to photograph. In 1915, he returned to Europe and worked as a cameraman and expert for special effects for many films, including Fritz Language"s Metropolis.
At the end of the 1920s, he made a name as an avant-garde portrait photographer. On 22 March 1948, they left Palestine and settled again in Zurich.
Series Köpfe des Alltags: 1928 - 1930, published 1931 Series Metamorphosen: 1936, published 1982.