Lower East Side Conservancy

The Lower East Side Conservancy, also known as The Lower East Side Jewish Conservancy (LESJC), is an educational and advocacy organization, created in 1998 by Holly Kaye to preserve the synagogues and cultural heritage of the Lower East Side. Through the organization's efforts, many have been designated as historic landmarks, and have been listed on New York State and National Registers.

Source: Wikipedia — Lower East Side Conservancy (CC BY-SA 4.0)