Final answer:
The man Elizabeth Taylor was married to twice was Richard Burton. Despite the additional historical context about the Earl of Derby and Elizabeth Hamilton, it is not related to Taylor's marriages.
Step-by-step explanation:
The man who was married to Elizabeth Taylor twice was Richard Burton. Elizabeth Taylor's multiple marriages are a topic of interest in relation to her life story, which is a part of social history. Despite the illustration provided of the Earl of Derby, his first wife, Elizabeth Hamilton, and their son, which is related to art history, the student's question specifically asks for information on Elizabeth Taylor's personal life.
Elizabeth Taylor was a celebrated actress known for her film roles as well as her personal life, which included eight marriages, two of which were to the actor Richard Burton. Their turbulent relationship was highly publicized, illustrating the allure of celebrity marriages and the challenges they frequently face.