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Vol. 27 No. 3
May-June 2005

IUPAC Wire | News and information on IUPAC, its fellows, and members organizations
See also
www.iupac.org/news

Remembering Two Prominent IUPAC Members

Roger Cohen-Adad and
H. Steffen Peiser



Roger Cohen-Adad
The members of IUPAC’s Solubility Data Committee have dedicated the next issue of Pure and Applied Chemistry (vol. 77, issue 3) to the memory of Professor Roger Elie Cohen-Adad, 83, who died in August 2004 in France. The issue contains lectures from the 11th ISSP (Aveiro, Portugal, July 2004), which Cohen-Adad had been unable to attend because of his illness. Cohen-Adad was one of the most prominent members of the solubility data community.

The most notable of Cohen-Adad’s research activities were centered on phase diagrams and kinetics, and led to 160 publications, 3 patents, and supervision of 60 theses. He achieved a world-wide reputation for his investigations of the solubility and crystallization processes in various water-salt systems, the construction of their phase diagrams and the application of the latter. In recent years, his efforts were devoted to the thermodynamic simulation of water-salt systems and the prediction of their behavior under various conditions.

His international recognition as a scientist is based on his professional activities within IUPAC as well as his scientific work. In 1978 he was appointed as an associate member of the Solubility Data Commission of IUPAC, and from 1985-1990 was a titular member. His contributions to the work of the commission include co-editorship of Vol. 47 of the Solubility Data Series, Alkali Metal and Ammonium Chlorides in Water and Heavy Water (Binary Systems) (1991), and co-authorship of two chapters in the monograph, The Experimental Determination of Solubilities (2003).

A longer notice is published in the March 2005 issue of Pure and Applied Chemistry,which features papers based on presentations at the 11th Internationbal Symposium on Solubility Phenomena (Aviero, Protugual, 25–29 July 2004).

www.iupac.org/publications/pac/2005/7703


H. Steffen Peiser
Dr. H. Steffen Peiser, 87, a chemist and a physicist who was the principal liaison officer at the National Institute of Standards and Technology for the State Department, the United Nations and other international-related organizations interested in the physical sciences, died 10 February 2005 at his home in Gaithersburg, Maryland, USA.

Much of his early work at the institute focused on crystallography, which he believed was at the center of all materials science and engineering. Peiser joined the former National Bureau of Standards in 1957, working first as a bench scientist in the field of crystallography. He directed the mass and scale section beginning in 1959, and in 1962 he was appointed chief of the crystal chemistry section. He retired officially from NIST in 1979, but continued scientific work until his death.

Dr. Peiser wrote more than 130 scientific papers and was honored by many scientific organizations. He was committed to sharing the benefits of metrology—the science of measurements—with developing economies throughout the world. He traveled to more than 60 countries, mostly to help them establish sound measurement capabilities to foster industrial growth.


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