Earl Spencer, born Charles Edward Maurice Spencer on May 20, 1964, is a British nobleman and the younger brother of the late Princess Diana. He became the 9th Earl Spencer in 1992 after the death of his father, John Spencer, 8th Earl Spencer. Earl Spencer is known for his work as an author and public speaker, often discussing his family's history and the legacy of his sister. He is also involved in various charitable activities and has been a vocal advocate for mental health awareness. Earl Spencer manages the family estate, Althorp, which is located in Northamptonshire, England, and serves as a museum dedicated to the Spencer family.