DescriptionU of MN 1921 Vavilov-Stakman et al (27270132970).jpg
Left to right - Aamodt (USDA wheat breeder, Hayes head of plant breeding at MN, Vavilov the famous Russian plant collector and breeder, Stakman plant pathologist MN, Jaczewski famous Russian/Polish mycologist, and Levine who is Stakman's protege and biological control of rust expert. Vavilov and Jaczewski become friends of Stakman. Photo courtesy of the Department of Plant Pathology, U of Minnesota.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue