Upon graduation from the University of Hawaii, Willis founded the Willis Atelier in Waikiki, where she continued the mural and fresco work begun in college under the training of Jean Charlot.
Jean Charlot also worked as an illustrator during the excavations at Chichen Itza under Sylvanus Morley.
Davis was among the first to collect, display and sell the work of the emerging Mexican artists such as Diego Rivera, José Clemente Orozco, and Rufino Tamayo; others who frequented the shop included Miguel Covarrubias and Jean Charlot.
Jean-Paul Sartre | Jean-Jacques Rousseau | Jean Cocteau | Jean Genet | Jean-Luc Godard | Wyclef Jean | Jean Racine | Jean Chrétien | Jean Michel Jarre | Jean Paul Gaultier | Jean Nouvel | Jean-Michel Basquiat | Jean Giraud | Jean Sibelius | Jean-Luc Ponty | Jean-Baptiste-Camille Corot | Jean-Claude Van Damme | Jean Renoir | Jean-Pierre Rampal | Jean-Léon Gérôme | Jean Harlow | Jean Anouilh | Billie Jean King | Jean Giraudoux | Jean-Bertrand Aristide | Jean Baudrillard | Jean-Pierre Thiollet | Jean-Martin Charcot | Jean Gabin | Jean de Florette |
He was one of the pioneers of the Mexican muralism movement, especially frescos, recruited by Vasconcelos along with other muralists such as Diego Rivera, David Alfaro Siqueiros, José Clemente Orozco, Jean Charlot, Fernando Leal, Fermín Revueltas, Emilio García Cahero, Xavier Guerrero and Carlos Mérida .
Notable artists and photographers included: Dody Weston Thompson, Ansel Adams, Minor White, Charis Wilson (second wife of Edward Weston and the famous model of his nude photographic work), Paul Strand, Dorothea Lange, Wynn Bullock, Don Ross, Ruth Bernhard, Willard Van Dyke, Nata Piaskowski, Beaumont Newhall and Nancy Newhall, and artists Georgia O'Keeffe, Morris Graves and Jean Charlot and his wife Zohmah Charlot.