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December 4, 2009 Meeting
- Holiday Party/Meeting, joint with the Chicago Chemists' Club and Iota Sigma Pi-


Wendy S. Wolbach
Wendy S. Wolbach

Professor of Chemistry
DePaul University

"Carbon, Meteorites, and Extinctions"

Date:  December 4, 2009
Location:    Holiday Inn
7800 Kingery Highway (Route 83)
Willowbrook, IL

This is the Chicago Section ACS/Chicago Chemists Club/Iota Sigma Pi Annual Holiday party/meeting.   At this event, everyone is a chemist (either practicing or honorary)!   Come join in the celebration with all your fellow chemists.   In addition to our technical program, Santa will be bringing gifts!   ENJOY!

We are asking you to also bring a gift!!!   Please bring some canned food or other non-perishable food items (in non-glass containers) that we, as the ACS, can donate to a charity for needy people in the Chicagoland area.   We are also collecting cloths and toys for those less fortuate than us.  See details on page 3 of the December Chemical Bulletin.  Let's share our good fortune in the spirit of the season. THANKS!!

Cost:  $35.00 for members of ACS and their guests, $37.00 for non-members,
     $20 for students, retired, or unemployed

Dinner reservations are required and should be received in the Section Office via phone (847-391-9091), email (, or web by noon on Wednesday, December 2.   PLEASE HONOR YOUR RESERVATIONS.  The Section must pay for all food orders.  No-shows will be billed.  Seating will be available for those who wish to attend only the meeting.


Attention high school teachers:  Welcome all high school teachers!  High school teachers that attend our Holiday Dinner Party will receive a FREE Merck Index (while supplies last)!

5:30 - 6:30 PM  Job Club
6:00 - 7:00 PM   Social Hour
7:00 PM Dinner
8:10 PM General Meeting

Topic: "Carbon, Meteorites, and Extinctions"


The dinosaurs and thousands of other species of plants and animals became extinct about 65 million years ago as a result of environmental changes triggered by the impact of a giant meteorite.  While trying to determine what type of meteorite struck the Earth, we instead found evidence of large-scale fires, presumably ignited by the impact. This evidence took the form of large enrichments of elemental carbon (soot), overwhelming any meteoritic carbon. My work has since expanded to include the study of other forms of elemental carbon associated with various impacts and extinctions in an attempt to understand the nature of environmental changes associated with large impacts. 


Wendy S. Wolbach earned her A.B. in chemistry at Franklin and Marshall College in 1984 and her Ph.D. in chemistry from the University of Chicago in 1990. Following a two-year physics post-doc at the University of Chicago, she served as Associate Professor and Chair of Chemistry at Illinois Wesleyan University before returning to Chicago in 1999 to chair the Chemistry Department at DePaul University. She is currently Professor of Chemistry at DePaul, where she continues her study of elemental carbon in sedimentary rocks associated with impacts and mass extinctions. 

Map and Directions

Parking:   Free



Fresh Fruit Cup
Tomato Florentine Soup,
Tossed garden salad with choice of dressing;
Entrée choices:

Baked potato
Prince Albert blend of wax beans, green beans and carrots; Breads and butter;
Apple Cobbler


Last updated 12/1/09
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