Mary Cawein ( born Mary Cawein ), Kavanova-Marzhakova ( Czech. Cavanová-Mařáková ; 1889 - 1969 ) is an American-Czech singer.
|Birth name||English Mary cawein|
|Full name||Czech Mary Cavanová-Mařáková|
|Date of Birth||1889|
|Date of death||1969|
|A country|| USA |
National Theater (Prague)
She performed at the Metropolitan Opera . In the early 1910s she married the Czech tenor Otakar Margak and went with him to Prague , where over the next decades she successfully sang on the stage of the National Theater.