2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Board member Susan Shih helps distribute door prizes to sometimes overjoyed attendees. Must be present to win!

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Richard Cornell, Chair of the Hospitality Committee, enthusiastically calls out members to receive their surprise door prizes.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Chicago-AIChE's beautiful chemistry-themed quilt! They raffled it off as a fundraiser, though they were sad to see such a treasure go.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Vice Chair Ken Fivizzani leads the meeting, introducing the speaker and encouraging attendees to direct attention to the Food and Toy Drive and the Iota Sigma Pi fundraiser.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Our friends at Iota Sigma Pi, the honors society for women chemists, announce the winner of their funraiser raffle - the luck person who won the Chemistry Quilt (shown before)!

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. 2016 Chair Mary Jo Boldingh accepts the ceremonial gavel from 2015 Vice Chair Ken Fivizzani.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Freshly-inducted 2016 Chair Mary Jo Boldingh addresses the meeting.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Speaker and practical joker UIC Prof. Lee Marek has some fun performing an optics demo on Chicago ACS Vice Chair Ken Fivizzani.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Marek presents one of his favorite T-shirts, whose meaning is lost to the sands of time.

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Marek uses an unsuspecting volunteer to demonstrate how colorful phases of matter like plasma can be. SEE THE VIDEO HERE: https://vimeo.com/148235455

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. DANGER! Those headphones are on for a reason! Marek poured foam laden with (flammable) H2 gas into the hands of this innocent volunteer, who didn't know he was about to make it X-PLODE. Wat the explosion on our video: https://vimeo.com/148239078

2015 Dec Chicago ACS Meeting/Holiday Party featuring Lee Marek - /Chemistry on the Late Show With David Letterman/. Marek spills super-staining ink on a meager volunteer, who becomes suprised to discover the ink magically/chemically disappears. See the video of this demo here:  https://vimeo.com/148241533