10. David Clemmer
The Power List 2019 – Top 20
![](/fileadmin/_processed_/1/a/csm_DClemmerx850_4004e67d7e.jpg)
David Clemmer
Distinguished Professor & Robert and Marjorie Mann Chair of Chemistry, Indiana University, USA.
Best advice received: Not advice I’ve received per se, but I do like the statement “Measure what is measurable. Make measurable what is not.” – Galileo Galilei.
Exciting recent advance: Charge detection MS, particularly as carried out by the labs of Martin Jarrold, Evan Williams and Philippe Dugourd, has come a long way; the technique measures the ionic charge number, and mass/charge, making it possible to measure the mass of very large particles for the first time.
![](/fileadmin/_processed_/1/8/csm_TAS-PL-Web_Asset_2019_4243db79c4.png)