Thomas A. Hoerner was professor emeritus at the Department of Agriculture & Biosystems Engineering and Agriculture Education & Studies,Iowa State University Ames, Iowa.
Mervin D. Bettis is professor emeritus at the Department of Agriculture, Northwest Missouri State University Maryville, Missouri.
Revision Project Lead
T. J. Brown is an instructor at South Central College. His coursework includes agribusiness, welding, facility maintenance, workplace environment layout & planning, and mechatronics. He started his teaching career at Springfield High School in Minnesota delivering both agricultural education and industrial technology courses for twelve years.
Revision Writing Team
Alison Almos- Anoka Hennepin Schools
Luke Becker-Braham High School
Bob Bonin-Fairmont High School
T.J. Brown-South Central College
Tim Hahn-Elk River Schools
Ashley Johnson-Hinckley Finlayson High School
Dean Joslin-Anoka Hennepin Schools
Mark Lockhart-New Prague High School
Hannah Reisdorf-Moorhead High School
Timm Smith-Foley High School
Tom Spehn-NE Metro 916