1. The Benjamin Y. H. Liu Award
American Association for Aerosol Research

2. This award honors Benjamin Y. H
This award honors Benjamin Y. H. Liu for his leadership in the aerosol community and his own seminal contributions to aerosol science through instrumentation and experimental research.
The Benjamin Y. H. Liu Award “recognizes outstanding contributions to aerosol instrumentation and experimental techniques that have significantly advanced the science and technology of aerosols”.

3. The recipient was nominated by
Susanne Hering
Seconded by Gerhard Kasper, James Vincent and William Hinds

4. 2006 Recipient of the Benjamin Y. H. Liu Award
Walter John
BS Caltech; PhD U.C. Berkeley in Physics California Dept Health Services
Studies include: bounce-free impaction surfaces, density correction for APS, PM2.5 measurement and speciation needs, sampler inlets and sampler design, particle adhesion, contact charging, deagglomeration, re-entrainment sample evaporation, and many, many more.
“Both a gentleman and a scientist, always curious, always cheerful, and wonderfully inventive, Walter has been an inspiration and mentor to many.”