Определите, о ком идет речь в описании. Напишите имя этого человека. His first detective story appeared in 1887. In 1912 the writer created probably his best sci-fi novel. After his son`s death in World War he became a spiritua...

Определите, о ком идет речь в описании. Напишите имя этого человека. His first detective story appeared in 1887. In 1912 the writer created probably his best sci-fi novel. After his son`s death in World War he became a spiritualist and wrote mystic stories and "the Wanderings".