[1] In 1971, he started The Horchow Collection,[2] the first luxury mail-order catalog that was not preceded by a brick-and-mortar presence.
In 2002 he received the school's highest alumni honor, The Sixth Form Leadership Award.
Horchow was awarded an honorary doctorate by his alma mater, Yale University, in 1999, and is one of the subjects of The Tipping Point (Little, Brown, 2000) 2002 edition ISBN 0-316-34662-4, an influential book by New Yorker writer Malcolm Gladwell.
Horchow was the author of three books, "The Art of Friendship: 70 Simple Rules for Making Meaningful Connections" (St. Martin's Press, 2006 and Neiman Marcus Exclusive, 2005) ISBN 0-312-36039-8, Elephants in Your Mailbox: How I Learned the Secrets of Mail-Order Marketing Despite Having Made 25 Horrendous Mistakes (Times Books, 1980) ISBN 0-8129-0891-0, and Living in Style: In A Time When Taste Means More Than Money (Rawson Assoc, 1981) ISBN 0-89256-166-1.
Dallas Theater Center, Foundation for Arts and Preservation in Embassies, Direct Relief International (Advisory Board).