Career
Solter began his career as an actor in 1908 with Biograph Studios. In 1909, Solter began working for Carl Laemmle"s Independent Moving Pictures Company of America (Interface Message Processor) as an actor but also as a director Over the next nine years, he directed 148 silent films.
In 1913, they sold out to Carl Laemmle whose amalgamation of several studios created the colossal Universal Film Manufacturing Company
Solter continued to direct for the new company until 1918 when health problems emerged. With this new prosperity, Florence was able to realize a "lifelong dream," buying a 50-acre (20 ha) estate in River Vale, New Jersey.
Solter died of a stroke on March 2, 1920 at the age of 46. He is interred in the Baltimore Cemetery in Baltimore, Maryland.