Langner, Lawrence (30 May 1890–26 December 1962), patent agent, playwright, and theatrical producer, was born in Swansea, South Wales, the son of Baruch Bernard Freedman, a businessman, and Cecilia Sarah Langner. (He took his mother’s maiden name.) He attended private schools in Swansea and in Margate, England. After a brief stint as a clerk for a theatrical manager in 1903, he was apprenticed to Wallace Cranston Fairweather, a chartered patent agent in London. Langner passed examinations of the British Chartered Institute of Patent Agents in 1910....