The Gray Medal is awarded for outstanding contributions to basic or applied radiation science of interest to the ICRU. For the fifteenth award, the Commission will give preference to individuals who have made major contributions in the field of basic radiation science.

Nominations for the medal may be made by any person or organization. They must include a complete biographical sketch (curriculum vitae) of the nominee, selected reprints or records showing the significant contributions made by the nominee, and letters of support evaluating the importance of the contributions.

Nominations should be directed to the chairman of the ICRU, Suite 400, 7910 Woodmont Avenue, Bethesda, MD 20814, USA and must be received by the ICRU no later than 1 June 2010.

For further information, contact Patricia Russell, executive secretary, ICRU. Tel: +1 301 657-2652 ext.31; fax + 1 301 907-8678; e-mail icru@icru.org