Kir Bulychov or
Bulychev (18 October 1934 – 5 September 2003) was a
pen name of
Igor Vsevolodovich Mozheiko (И́горь Все́володович Може́йко), a
Soviet Russian science fiction writer and historian. His
magnum opus is a children's science fiction series
Alisa Selezneva, although most of his books are adult-oriented.