Change pays off in agriculture -- The million dollar response -- 4-H upstarts changed the farm -- Nutritionists make a high-risk program work -- Extension shakes the plowman's tradition -- Modern livestock marketing began in Virginia -- Mighty industry hatched from backyard flocks -- Dairy dump turns dairy leader -- Extension responds to corn's success and disaster -- Extension engineering spread worldwide -- Risky idea is a relief to farmers -- Extension helped wire the countryside -- ...And automate the home -- High tech response in a high tech age