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.
In Dublin's fair city. Where the girls are so pretty. 'Twas there that I first met. Sweet Molly Malone. She wheeled her wheelbarrow, Through streets broad and narrow. Crying, Cockles and mussels, Alive, alive-oh!.