Science Fiction, the Geniac provided many youths with their first hands-on introduction to computer concepts and Boolean logic. Brainiac A nearly identical product, called Brainiac, was introduced in 1958 by Edmund Berkeley, after he had a falling out with Oliver Garfield. Helical slide rule Oliver Garfield also sold the Otis King's Patent Calculator, a helical slide rule, under the Geniac brand. Initially he resold the ones manufactured by Carbic, Ltd., but his later products had no serial numbers so were probably his own version. See also Digi-Comp I Digi-Comp II WDR paper computer References External links Geniac photo and description at www.oldcomputermuseum.com Brainiac K-30 photo and description at www.oldcomputermuseum.com Geniac manuals, diagrams and other documents hosted at www.computercollector.com Magazine ads and articles about Geniac at Modernmechanix blog Article on Geniac at Early Computers Project Geniac on list of early personal computers at Blinkenlights.com, with link to article on how it works by a gifted operator Mechanical computers Educational toys Computer-related introductions in 1955