1.Cope's mistake was made known by his rival O.C. Marsh. How might Marsh depict his view of Cope's mistake in a political cartoon? 2.Study the process of discoveries of other inventors who tried many times to perfect their inventions. Such individuals include: a.Benjamin Franklin-electricity b.Thomas Edison-light bulb c.John Brashear-reflecting lens for telescope d.Samuel P. Langley-flight 3.Study an historical example in which an event was misinterpreted until further evidence was uncovered.

Smithsonian National Museum of Natural History 10th Street and Constitution Ave., NW Washington, D.C. 20560 202-633-1000 or TTY 202-357-1729
The Smithsonian National Museum of Natural History has an extensive display of dinosaur exhibits. Along with the exhibits, individuals can view paleontologist and scientist as work as they examine and assemble fossils.

The Academy of Natural Sciences 1900 Benjamin Franklin Parkway Philadelphia, PA 19103 215-299-1000
The Academy of Natural Sciences is a museum that holds the exhibits of Joseph Leidy and Edward Cope. Individuals can view the exhibits, dig for dinosaur bones, watch the preparation of fossils, climb inside a T-Rex skull, and much more.