RM
Robert Kinloch Massie
Robert Kinloch Massie III was an American journalist and historian. He devoted much of his career to studying and writing about the House of Romanov, Russia's imperial family from 1613 to 1917. Massie was awarded the 1981 Pulitzer Prize for Biography for Peter the Great: His Life and World. He also received awards for his book Catherine the Great: Portrait of a Woman (2011).
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Nicholas and Alexandra
1968
ISBN 9780575000032