| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/2.8 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/1600 sec |
| Flash | No Flash | Focal Length | 70 mm |
| ISO | 100 | Metering Mode | Pattern |
| Date/Time | 2011:10:18 11:07:58 | Resolution Unit | Inch |
| X Resolution | 240 dots per ResolutionUnit | Y Resolution | 240 dots per ResolutionUnit |
| Compression | Jpeg Compression | Exposure Mode | 1 |
| Subject Distance | 2.25 | Keywords | Caspar Wistar historic marker Pennsylvania PA United States attraction destination display education information landmark marker sign tourist United States of America Philadelphia American Philosophical Society attractive educating historical marker Historical Site Historical Sites info Meriwether Lewis Pennsylvania Abolition Society Philadelphia County Place of Interest Places of Interest professor road side Road sign Roadside signage tour tourism tourist attraction Tourist Destination Tourist Destinations travel Travel Destination Travel Destinations University of Pennsylvania appealing no people sightseeing text attract history nobody sightsee US Jason O. Watson / historical-markers.org word daytime destinations displays historic markers landmarks markers signs tourists appeal color image educate historic outdoor USA vertical day historical markers professors road sides tourist attractions tours colour image historical outside U.S. day time U.S.A. day-time words color images daylight outdoors verticals colour images natural light outsides historic site sign with text |
| Caption | CASPAR WISTAR (1761-1818) Noted physician, lived here. Professor of anatomy at the University of Pennsylvania. President of the American Philosophical Society & Pa. Abolition Society. In 1803, tutored Meriwether Lewis in Medicine & paleontology, in preparation for the expedition west. Pennsylvania Historical and Museum Commission, 2000 |