Dr. Emil Mayer FRPS (3 October 1871 – 8 June 1938) was an Austrian photographer, lawyer, inventor, and businessperson.

[4] In the summer of 1882, Mayer moved with his family to Vienna, Austria, where “his father set up business as a merchant.”[5] From 1891 to 1896, Mayer studied law at the University of Vienna, where he earned the Juris Doctor.

On 8 March 1894 he was baptized at the Johann Nepomuk Church (Leopoldstadt) [de] under the name Robert Emil.

[6] To escape persecution from the Nazi regime after the annexation of Austria in March 1938, Mayer and his wife died by suicide in their home (BöcklinStraße 12) in Vienna on 8 June 1938.

[9] Finally, Mayer left this he law firm and founded a photographic technology company DREM-Zentrale with Nikolaus Benedik.