<br/>An ACS staffer looks back on pleasant times spent with Helen during ACS National and Regional Meetings – especially during her presidential succession years – 1992 – 1994.

Remembering Helen Free

Where thousands of chemistry professionals meet to share ideas and advance scientific and technical knowledge. Spring 2023 abstracts, posters, and presentations will launch at the end of March.

ACS Spring 2023

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.