Gr. Brockhaus, 1970 (Lothar, actually Spitzer, Rudolf; b. Budapest 2/23/1865; d. there 10/2/1943)
Wikipedia, viewed online 27 June 2013 (Rudolf Lothar (born Rudolf Lothar Spitzer, February 25, 1865, Budapest - died October 2, 1943, Budapest) was a Hungarian-born Austrian writer, playwright, critic and essayist.) http://en.wikipedia.org/wiki/Rudolf_Lothar