William Penn Annex West in Philadelphia in Philadelphia County, Pennsylvania — The American Northeast (Mid-Atlantic)

Robert Patterson

(1743-1824)

Photographed by Carolyn Martienssen, June 27, 2015

1. Robert Patterson Marker

Inscription. Professor, chair of mathematics dept. and vice-provost at University of Pennsylvania, 1799-1814. Tutored Meriwether Lewis in navigation skills to prepare for Lewis and Clark Expedition, 1803-1806. Resided here.

Erected 2004 by Pennsylvania Historical & Museum Commission.

Topics and series. This historical marker is listed in this topic list: Education. In addition, it is included in the Lewis & Clark Expedition, and the Pennsylvania Historical and Museum Commission (PHMC) series lists.

Location. 39° 57.04′ N, 75° 9.333′ W. Marker is in Philadelphia, Pennsylvania, in Philadelphia County. It is in William Penn Annex West. It is at the intersection of South 9th Street and Market Street, on the left when traveling east on South 9th Street. Touch for map. Marker is at or near this postal address: 39 S 9th St, Philadelphia PA 19107, United States of America. Touch for directions.

Regionally, this marker is in Southeast Pennsylvania. It is also in the American Northeast

and in the Mid-Atlantic.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy,

New Netherland,

and one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within walking distance of this marker: 9th & Market (within shouting distance of this marker); President Abraham Lincoln (about 400 feet away, measured in a direct line); St. Stephens Episcopal Church (about 400 feet away); 8th & Market (about 400 feet away); Thomas Jefferson (about 500

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feet away); Siegmund Lubin (about 500 feet away); Robert Cornelius (about 500 feet away); W.C. Fields (1880 - 1946) (about 500 feet away). Touch for a list and map of all markers in Philadelphia.

Photographed by Don Morfe, March 23, 2015

2. Robert Patterson Marker

Credits. This page was last revised on February 2, 2023. It was originally submitted on March 27, 2015, by Don Morfe of Baltimore, Maryland. This page has been viewed 595 times since then and 14 times this year. Photos: 1. submitted on August 17, 2015, by Carolyn Martienssen of West Hazleton, Pennsylvania. 2. submitted on March 27, 2015, by Don Morfe of Baltimore, Maryland. • Bill Pfingsten was the editor who published this page.