American computer scientist most widely known among the co-founders of Adobe Systems Inc. He went to the School of Utah, where he attained his Bachelor’s, Master’s, and PhD. In his thesis, he created an algorithm for identifying hidden areas in computer images known as the Warnock algorithm. He and his wife, Marva, acquired three children jointly and also have been intensely involved with charitable offering. Charles Geschke was his partner within the founding of Adobe.