Joseph ben Kalonymus ha-Nakdan

Joseph ben Kalonymus ha-Nakdan was a German grammarian, Masorite, and poet. He was the grandson of grammarian Samson Ha-Nakdan.
He was the author of a long acrostic poem on the accents, with a commentary. Joseph also composed several piyyutim. Among his known works are:

אדיר במרום and מלך אליון, both preserved in a French maḥzor dated to 1278;
A kinah beginning with אמרר בבכי; and
A seliḥah beginning with אזעק חמס קורות, in memory of the martyrs of the 1235 blood libel massacre in Fulda.