Ellison is a surname that can refer to various notable individuals, including the American author Ralph Ellison, best known for his novel "Invisible Man." This book explores themes of identity and race in America and has received critical acclaim since its publication in 1952. In addition to literature, the name Ellison is associated with technology, particularly Ellison Technologies, a company that provides manufacturing solutions. Founded by Larry Ellison, co-founder of Oracle Corporation, the company focuses on advanced engineering and automation in various industries.