Are William Witney and Frederick Wiseman both documentarians?
Frederick Wiseman Frederick Wiseman (born January 1, 1930) is an American filmmaker, documentarian, and theatre director. His work is "devoted primarily to exploring American institutions". He has been called "one of the most important and original filmmakers working today".
Robert Wiseman Robert Ramsey Wiseman (18 April 1916 – 7 December 2004) was the founder of Robert Wiseman Dairies, one of the United Kingdom's largest dairy businesses.