Adam Seybert

Adam Seybert (May 16, 1773 – May 2, 1825) was an American politician who served as a Democratic-Republican member of the U.S. House of Representatives for Pennsylvania's 1st congressional district from 1809 to 1815 and 1817 to 1819.

[2] He returned to Philadelphia with a collection of minerals[3] and worked as a physician for a short time before establishing himself as a "druggist, chemist and apothecary".

[6] In 1809, Seybert was elected to the 11th United States Congress as a Democratic-Republican representative for Pennsylvania's 1st congressional district[7] to fill the vacancy caused by the resignation of Benjamin Say.

The duties of the chair included hosting the Adam Seybert committee which investigated the possibility of the spirit world.

The committee met from 1883 to 1887 but was unable to discover any evidence and subsequent holders of the chair were freed from continuing the investigations.