incomparable "Yankele Kovner" (1793-1833) another of Montefiore's hosts, was master of Russian, German, and French, and aroused the admiration of the Governor-General Nazimov by his learning and his ability. Yes, the Jews began to pay, if they had ever been in debt, for the good that had for a while been bestowed upon them by Alexander I. Alexander Nebakhovich was a well-known theatrical director, his brother Michael was the editor of the first Russian comic paper Yeralash, and Osip Rabinovich showed marked ability in serious journalism. In 1842 died Abraham Jacob Stern, the greatest inventor Russia had till then produced; and, as if to corroborate the statement of the Talmud, that when one sun sets another rises, the Demidoff prize of two thousand five hundred rubles was the same year awarded to his son-in-law, Hayyim Selig Slonimsky (HaZas, 1810-1904) of Byelostok, for the first of his valuable inventions. Stern's genius was surpassed, though in a different direction, only by that of Elijah Vilna. His first invention was a calculating machine, which led to his election as a member of the Warsaw Society of the Friends of Science (1817) and to his being received twice by Alexander I (1816, 1818), who bestowed upon him an annual pension of three hundred and fifty rubles. This invention was followed by another, "a topographical wagon for the measurement of level surfaces, an invention of great benefit to both civil and military engineers." He also constructed an improved threshing and harvesting machine and a sickle of immense value to agriculture.[32]