Gluck (1895-1978)
Radical British artist known as Gluck, “no prefix, suffix, or quotes”
https://www.apollo-magazine.com/gluck-british-painting-fine-art-society/

Gluck / 1942 / Oil on canvas / 12”x10”

Tamara de Lempicka (1898-1980)
Polish painter with distinctive Cubism-influenced Art Deco style
https://culture.pl/en/artist/tamara-lempicka-tamara-de-lempicka

Portrait de la Duchesse de la Salle / 1925 / Oil on canvas / 63.8”x38.2”