Skip to main content

Hanna, Jack

UC-Blackwelder Tomato Harvester
Society: ASABE Main Category: Agricultural & Biological Sub Category: Era: 1950-1959 DateCreated: 1949 Western Center for Agricultural Equipment Davis State: CA Zip: 95616 Country: USA Website: https://www.asabe.org/awards-landmarks/asabe-historic-landmarks/uc-blackwelder-tomato-harvester-45.aspx Creator: Hanna, Jack

In 1942, University of California, Davis (UCD) biologist, Jack Hanna recognized the need for breeding tomato varieties that ripen uniformly and withstand the rigors of mechanical harvesting. In 1949, UCD agricultural engineer Coby Lorenzen and Hanna began developing a mechanical tomato harvester. Parallel efforts by others, notably those started in 1957 by agricultural engineer Bill Stout and horticulturist Stan Ries of Michigan State University, eventually resulted in several different harvesting mechanisms. In the late 1950s, UCD agricultural engineer Steven J.

YearAdded:
2005
Image Credit: Image Caption: Era_date_from:
Subscribe to Hanna, Jack

Innovations

UC-Blackwelder Tomato Harvester

In 1942, University of California, Davis (UCD) biologist, Jack Hanna recognized the need for breeding tomato varieties that ripen uniformly and withstand the rigors of mechanical harvesting. In 1949, UCD agricultural engineer Coby Lorenzen and Hanna began developing a mechanical tomato…

Read More

We hope you enjoyed this essay.

Please support America's only magazine of the history of engineering and innovation, and the volunteers that sustain it with a donation to Invention & Technology.

Donate

Stay informed - subscribe to our newsletter.
The subscriber's email address.