Haffner, Isaac a French Protestant minister and distinguished humanist, was born at Strasburg in 1751. After studying at Paris and visiting several of the (German universities, he was ordained, and soon acquired great reputation as a preacher in Strasburg. He became subsequently dean of the theological faculty of that city, and died there May 27, 1831. He had been instrumental in restoring in part the old university of Strashurg under the title of Protestant Theological Academy, which was afterwards changed to Protestant Seminary. At the inauguration he delivered an address printed under the title Des Secours que l'etude des langues, de histoire, de la philosophie et de la literature offer à la theologie (Strasb. 1803, 8vo); he wrote also De l'Education littiraire, off essui sur l' organisation d'un etablissement pour les hautes sciences (Strasb. 1792, 8vo). Discourses delivered on the anniversary of his 50th year in the ministry were published under the title Jubil. d'Haffner (French and German, Strasb. 1831, 8vo). See Oberlin, Amanach d'AIsace; M. Henrion,Amnales biographiques (1831,1854), vol 2; Hoefer, Nour. Biog. Géneralé 23, 80.