Scenes From The ACS National Meeting In Philadelphia

A meeting participant browses the program book.

Students try their hand at an experiment on electrolytes during the undergraduate program's Chemistry in Action Workshop on Sunday.

Isabel Bader (from left), Alfred Bader, and Barbara Ullyot chat during the Project SEED 40th Anniversary Reception on Monday evening.

Luisa Brown, five, daughter of National Institute of Standards & Technology chemists Craig Brown and Yamali Hernandez, proudly shows off some of the tchotchkes she picked up during the meeting.

C&EN Editor-in-Chief Rudy Baum cuts a cake in celebration of C&EN's 85th anniversary and C&EN Online's 10th anniversary.

Stickers encourage meeting attendees to join ACS's Member Network.

Presidential candidates Josef Michl (photo at left, left) and Joseph S. Francisco pose for a photo before Sci-Mix on Monday night.

Eunchul Kim, a student at Queensborough Community College of the City University of New York, explains his research during the Undergraduate Poster Session on Monday afternoon.

Current and former Project SEED students gathered on Tuesday evening for the Past-President's Dinner. Standing (from left): Yansel Nuñez, Erica Cornelier, Kevin Hunt, Joshua Peterson, Alexandra Severino, and Angaree Smith. Sitting (from left): Tracey Braun and Chanda Glover.

Board Chair Judith L. Benham (left) and ACS Executive Director and CEO Madeleine Jacobs at an ACS Board/staff reception.

ACS President-Elect Thomas H. Lane (center, from left), President Bruce E. Bursten, and Immediate Past-President Catherine T. Hunt at the dinner.

Ann Weber, executive director of medicinal chemistry at Merck & Co., describes what she does during the Women in Industry Luncheon on Monday.

Warren T. Ford, a chemistry professor at Oklahoma State University, prepares to race in the Younger Chemists Committee Fun Run on Monday morning.