Gordon R. Dickson (1923 - 2001)
Gordon Rupert Dickson was born in Alberta, Canada, in 1923 but resided in the United States from the age of thirteen. Along with Robert A. Heinlein, he is regarded as one of the fathers of military space opera, his Dorsai! sequence being an early exemplar of both military SF and Future History. Dickson was one of the rare breed of authors as well known for his fantasy as his SF - The Dragon and the George, the first novel in his Dragon Knight sequence, was shortlisted for the World Fantasy Award and won the British Fantasy Award.
Dickson's work also won him three Hugos and Nebula. He died in 2001.
Poul Anderson (1926-2001) was born in Pennsylvania of Scandinavian stock. He started publishing science fiction in 1947 and became one the great figures in the genre, serving as President of the Science Fiction Writers of America, winning multiple Hugo and Nebula awards, and was named a SFWA Grand Master. He collaborated regularly with wife, Karen, and their daughter is married to noted SF writer Greg Bear.
Poul Anderson died in July 2001.