THE BOTANISTS OF PHILADELPHIA. 181 



county judge in 1748. The education of Dr. Wood was 

 begun in the City of New York, but was completed at the 

 University of Pennsylvania, where he graduated in the 

 year 1815. Immediately after obtaining the degree of A. B., 

 he entered the office of Dr. Joseph Parrish, of Philadelphia, 

 and took the degree of M. D. in the medical department of 

 the University of Pennsylvania in the year 1818. He 

 delivered in 1820 a course of lectures on chemistry, and in 

 1822 was appointed to the chair of chemistry in the Phila- 

 delphia College of Pharmacy. This position he held until 

 the year 1831, when he was made Professor of Materia 

 Medica in the same college. On the sixth of November, 

 1835, he was elected to the chair of materia medica and 

 pharmacy in the medical department of the University of 

 Pennsylvania. When Dr. Nathaniel Chapman resigned 

 the chair of theory and practice of medicine in 1850, Dr. 

 Wood was elected to fill his place. In 1860 he resigned 

 this chair and in 1869 was elected a trustee of the Univer- 

 sity. Dr. Wood was attending physician to the Pennsyl- 

 vania Hospital from 1835 to 1859. In this latter year he 

 was elected President of the American Philosophical Society, 

 which position, together with that of the presidency of the 

 Philadelphia College of Physicians, he held at the time of 

 his death. 



He was married in 1823 to Caroline, daughter of Peter 

 Hahn, a merchant of this city. Their union, from which 

 there were no children, was an exceptionally happy one. 

 It was terminated in 1867 by the death of Mrs. Wood. 



His election to the chair of materia medica in the 

 University, in 1835, was productive of new and fresh 



