 Saha became active in New York City science fiction fandom, becoming a member of the Futurians and First Fandom, and was a close associate and ally of Wollheim and Frederik Pohl in the early fan wars.Later an editor at Wollheim's publishing house DAW Books, Saha co-edited numerous "best of the year" science fiction anthologies with Wollheim, and was Wollheim's choice as successor to Lin Carter as editor of a similar line of fantasy anthologies.Saha's compilations were routinely entered in the Locus Poll Award for Best Anthology; The 1978 "Annual World's Best SF" he co-edited with Wollheim came in second for the 1979 award.