J. G. Sandom, often referred to as the "Father of Interactive (Internet) Advertising," founded the world’s first interactive advertising agency, Einstein and Sandom Interactive (EASI), in 1984.. It grew to become the largest digital marketing services firm when it was purchased by DMB&B (MacManus Group) in 1994. Sandom continued to manage EASI on behalf of DMB&B through 1996. Wikipedia
The definitive Wikipedia entry for J. G. Sandom. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/J%2e_G%2e_Sandom