Helmar Lerski (18 February 1871, Strasbourg - 19 September 1956, Zürich) was a photographer who laid some of the important foundations of modern photography. His works are on display in the USA, Germany, Israel and Switzerland. 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.