A member of a socially prominent family, Clark joined or participated in several organizations of the Philadelphia elite, including his election in 1859 as a member of the Academy of Natural Sciences of Philadelphia.
A member of a socially prominent family joined. A member of a socially prominent family participated in several organizations of the Philadelphia elite. This was including his election in 1859 as a member of the Academy of Natural Sciences of Philadelphia. Clark was a socially prominent family.