Ronen Altman Kaydar, Israeli author and poet
Ronen Elimelech Altman Kaydar (Hebrew: רונן אלטמן קידר; born October 1, 1972) is an Israeli writer and poet.
The topics of his academic and artistic writing include science fiction, sexual identity, philosophy of science, history of science and more. After his marriage in 2003, he had added the surname "Kaydar".