Abba Glusk Leczeka
 Abba Glusk Leczeka is a poem by Adalbert von Chamisso published in 1832. It relates the story of one Abba who at the age of sixty attracted by the fame of Moses Mendelssohn went to Berlin to acquire secular knowledge. In his native town Glusk Abba was persecuted by the fanatical representatives of the orthodox Jewish community for his liberal views. He had to leave the town and traveled from place to place as a wandering preacher (maggid).