ANSWER: Lois Weber, Charlie Chaplin and Oscar Micheaux had one thing in common which all of them worked in silent films, most importantly as Film Directors.
Lois Weber started her career in the film industry and directed 135 films in her era. She was considered one of the most important and prolific film directors in the era of silent films.
Charlie Chaplin became a worldwide popular icon through his comedy films. His career spanned for almost 75 years starting from his childhood until a year before his death in 1977.
Oscar Micheaux was an independent director and producer and has 44 films to his credit. He is also said to be the most successful African-American filmmaker of the first half of the 20th century.