Answer:
Junto Group also known as Leather Apron Club, was started in 1727 by Benjamin Franklin. Benjamin and his 12 friends used to discuss politics & natural philosophy in this group. Union Fire Company is also created by Junto group. They launched various public projects and started first lending library was started. Junto group started Pennsylvania Hospital. Adding to that they created American Philosophical Society. This was started way back in 1743 and still functioning.