This prolific TV producer and writer of the 1980s and 90s has a penchant for hard-hitting urban drama and teen-oriented adventure fare which attempt to get new mileage out of established formulas. Formerly an advertising copywriter and producer, Wolf created over 100 commercials in the early 70s, launching into the nation's collective memory such catchphrases as "You can't beat Crest for fighting cavities" and the less than subtle "I'm Cheryl, fly me" for National Airlines. He turned his attention for a decade to screenwriting in 1976, but although many of his creations were picked up or