Mel Byars
He subsequently settled in New York City and eventually became active as an art director or creative director for a number of publishers , such as Prentice-Hall and McGraw-Hill , and for advertising agencies , including Leber Katz Partners ( subsumed into Foote , Cone & Belding , the world's second oldest advertising agency , founded 1873 ) . 
<triplet> Foote, Cone & Belding <subj> advertising agencies <obj> instance of <subj> 1873 <obj> inception