SAMSON HA-NAKDAN (13th century), Hebrew grammarian and vocalizer, who lived in Germany. It may be conjectured that Samson lived in Xanten, and he was apparently the grandfather and teacher of *Joseph b. Kalonymus ha-Nakdan of Xanten. He was the author of Mafte'aḥ ha-Dikduk (Cat. de-Rossi No. 3891) which Steinschneider believed to be identical with the Sefer Kelalei ha-Dikduk (Cat. Berlin no. 29; Vatican No. 296). He also wrote the Ḥibbur ha-Konim, which is also called Sefer ha-Shimshoni, on the *masorah. In his book he quotes the main medieval grammarians.
Zunz, Gesch, 113–4; Freimann, in: Festschrift… Simon Dubnow (1930), 169; Germ Jud, 1 (1963), 499–500. add. bibliography: I. Eldan, "Mi-Kitvei Askolat ha-Dikduk ha-Ashkenazit–ha-Shimshoni," in: Leshonenu, 43 (1979), 100–111; 201–210; D. Ben-Menahem, Ḥibbur ha-Konim le-Rabbi Shimshon ha-Nakdan (1987)