Donald L. Winkelmann, Director General of CIMMYT during 1985-199

Donald L. Winkelmann, Director General of CIMMYT from 1985 to 1994. (Photo: CIMMYT)

Donald L. Winkelmann, Director General of CIMMYT from 1985 to 1994. (Photo: CIMMYT)

Donald L. Winkelmann, Director General of CIMMYT from 1985 to 1994. (Photo: CIMMYT)