did she have any other career too?
Yes, painter and actress.
Elizabeth David
David decided that she was not good enough as a painter and, to her mother's displeasure, became an actress. 
who was elizabeth david? British cookery writer
wiki:18005055
Elizabeth David [SEP] Actress
After returning to England in 1932 David unenthusiastically went through the social rituals for upper-class young women of presentation at court as a débutante and the associated balls. The respectable young Englishmen she met at the latter did not appeal to her. David's biographer Lisa Chaney comments that with her "delicately smouldering looks and her shyness shielded by a steely coolness and barbed tongue" she would have been a daunting prospect for the young upper-class men she encountered. David decided that she was not good enough as a painter and, to her mother's displeasure, became an actress. She joined J.