Are Glenn Cooper and Roger Zelazny both writers?
Glenn Cooper Glenn Cooper (born January 8, 1953) is an American author and physician best known for being an internationally best selling thriller writer. His books have been translated into 31 languages and, as of 2014, have sold over six million copies. He currently lives in Gilford, New Hampshire.
Glenn O'Brien Glenn O'Brien (March 2, 1947 – April 7, 2017) was an American writer who focused largely on the subjects of art, music and fashion. He was featured for many years as "The Style Guy" in "GQ" magazine, and published a book with that title.