The provided text lists notable individuals named Riggs, including Christina Riggs, identified as a British-American historian. The surname Riggs is of English origin. The list encompasses a wide range of professions and backgrounds, from jurists and academics to athletes, artists, and entertainers. Several individuals named Riggs have made contributions in various fields, such as genetics, paleontology, architecture, and business. The extract also mentions fictional characters and other uses of the name Riggs, such as a rock band and geographical locations. However, beyond her identification as a historian of British-American background, no specific details about Christina Riggs's life, career, or works are provided in this extract.