Philadelphia Medical Society

The Philadelphia Medical Society was established in 1789 and incorporated in 1792. It suspended regular meetings in 1845, revived in the 1850s, and finally was discontinued in 1868. Many of its activities were assumed by the Philadelphia County Medical Society.

The society's first president was Benjamin Rush. Membership consisted of junior members (students), senior members (graduates and practicing physicians), and honorary members. The society met in several places; from 1819 to 1839, it met at the Masonic Hall in Philadelphia. The motto of the society was "Ex collisione scintilla".

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