![Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat](https://c8.alamy.com/comp/2F0KK4J/the-laptop-of-drexel-university-professor-jean-claude-bradley-sits-on-his-desk-during-his-organic-chemistry-242-class-february-5-2010-in-philadelphia-pennsylvania-professor-bradley-puts-as-much-material-on-line-as-possible-for-his-students-photo-by-tom-gralishphiladelphia-inquirermctsipa-usa-2F0KK4J.jpg)
Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat
![A brief description of the Chemical Rediscovery Survey and Open Chemistry in the Bradley Lab at Drexel University | PPT A brief description of the Chemical Rediscovery Survey and Open Chemistry in the Bradley Lab at Drexel University | PPT](https://cdn.slidesharecdn.com/ss_thumbnails/bradleyacs2012-120910105504-phpapp02-thumbnail.jpg?width=600&height=600&fit=bounds)
A brief description of the Chemical Rediscovery Survey and Open Chemistry in the Bradley Lab at Drexel University | PPT
![Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat](https://c8.alamy.com/comp/2F0KJ4H/drexel-university-professor-jean-claude-bradley-center-left-conducts-a-workshop-following-an-earlier-exam-in-his-organic-chemistry-242-class-february-5-2010-in-philadelphia-pennsylvania-students-include-from-left-sophomore-cat-blankenbiller-environmental-science-major-pre-junior-veronica-ndegwa-chemical-engineering-and-senior-meti-tamrat-biological-engineering-photo-by-tom-gralishphiladelphia-inquirermctsipa-usa-2F0KJ4H.jpg)
Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat
![Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat](https://c8.alamy.com/comp/2F0KJ4T/drexel-university-professor-jean-claude-bradley-center-right-who-puts-much-material-online-for-his-students-conducts-a-workshop-following-an-earlier-exam-in-his-organic-chemistry-242-class-february-5-2010-in-philadelphia-pennsylvania-photo-by-tom-gralishphiladelphia-inquirermctsipa-usa-2F0KJ4T.jpg)
Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat
![Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat Drexel University professor Jean Claude Bradley, center, conducts a workshop following an earlier exam in his Organic Chemistry 242 class, February 5, 2010, in Philadelphia, Pennsylvania. Students include from left, sophomore Cat](https://l450v.alamy.com/450v/2f0kkh2/drexel-university-professor-jean-claude-bradley-center-conducts-a-workshop-following-an-earlier-exam-in-his-organic-chemistry-242-class-february-5-2010-in-philadelphia-pennsylvania-students-include-from-left-sophomore-cat-blankenbiller-environmental-science-major-and-pre-junior-veronica-ndegwa-chemical-engineering-photo-by-tom-gralishphiladelphia-inquirermctsipa-usa-2f0kkh2.jpg)