James Caleb Jackson

James Caleb Jackson
Born(1811-03-28)March 28, 1811
DiedJuly 11, 1895(1895-07-11) (aged 84)
OccupationNutritionist
Known forInventing Granula
SpouseLucretia Edgerton Brewster
ChildrenJames Hathaway Jackson
RelativesKatharine Johnson Jackson (daughter-in-law)

James Caleb Jackson (March 28, 1811 – July 11, 1895) was an American nutritionist and the inventor of the first dry, whole grain breakfast cereal which he called Granula. His views influenced the health reforms of Ellen G. White, a founder of the Seventh-day Adventist Church.