James Logan, by Gustavus Hesselius, circa 1716.
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Oil on canvas of James Logan, head and shoulders.

Credit: Courtesy of Capitol Preservation Committee, and John Rudy Photography,

After coming to Pennsylvania in 1699 as William Penn’s secretary, Irish-born James Logan (1674 –1751) became one of the wealthiest and most prominent men in the colony. A successful merchant, he served as mayor of Philadelphia (1722), Pennsylvania’s chief justice (1731-39), and acting governor of the colony from 1736-38.  Logan also amassed a library of more than 3,000 volumes and wrote numerous scholarly papers, many of them in the emerging field of botany. 

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