What is mary ann de grimston?

Mary Ann MacLean DeGrimston (born 1921- died 2010)was an artist and writer, best known as the co-founder of the Process Church of the Final Judgment. She was born in Massachusetts, USA and grew up in England. She met her husband, Robert De Grimston, in London in 1963, and together they founded the Process Church as a religious movement that combined elements of Christianity, Satanism, and Eastern philosophy. The church gained a following in the 1960s and 1970s, largely in the US and UK, and was known for its controversial beliefs and practices. After the church disbanded in the early 1980s, Mary Ann De Grimston continued to work as an artist and writer until her death in 2010.