Isra Putnam
Pseudonym of Greye La Spina
Pseudonym based on an excerpt from a letter published in an article in Golden Atom in 1955 (<a href="https://www.fanac.org/fanzines/Golden_Atom/GoldenAtom1955.pdf">fanzine PDF</a>, p. 65, bottom of the first paragraph: "The pseudonyms used in 'The Thrill Book' were Baroness de Savuto (my husband's title in Italy) and Isra Putnam. However,most of my fantasy tales were signed by own name, Greye La Spina.").