Peanut butter existed before Carver started his work. What he did was develop a process using peanuts to make oleomargarine (“butter”), thus “peanut butter” but not peanut butter. While he did develop many uses for peanuts, yams, etc., his most valuable work was in scholarly research, finding already invented, but neglected, processes and promoting their use.
Peanut butter existed before Carver started his work. What he did was develop a process using peanuts to make oleomargarine (“butter”), thus “peanut butter” but not peanut butter. While he did develop many uses for peanuts, yams, etc., his most valuable work was in scholarly research, finding already invented, but neglected, processes and promoting their use.