He developed Electrical Porcelain with transmission engineers at GE. His family continued to work at Building 68 in Schenectady for decades. William's son Frank Cermak advanced insulator design into the mid 20th century.
When Rex Harrison accepted his Academy Award for My Fair Lady (1964), he dedicated it to his two fair ladies, Audrey Hepburn and Julie Andrews both who had played Eliza Doolittle with him.
Esther Rolle was already used to controversy by the time 'Good Times' aired. When 'Maude' debuted in 1972, there was an uproar when executive producer Norman Lear cast a black woman in the role of the maid - it was time to bury these stereotypes, not create a new generation of them, critics complained.