Conversation so far:
whom and when did Hedy Lamarr marry for the first time?
On August 10, 1933, Lamarr married Mandl.
how was her first marriage?
she described Mandl as an extremely controlling husband who strongly objected to her simulated orgasm scene in Ecstasy.
what was the result of this altercation?
she decided to separate herself from both him and her country.
what followed this decision?
she disguised herself as her maid and fled to Paris.
what else is known about her first marriage?
she persuaded Mandl to let her wear all of her jewelry for a dinner party, then disappeared afterward.

Question: how did they meet?
Self-contained rewrite: How did Lamarr and Mandl meet?