This anti-smoking campaign was developed in 1990 by Minneapolis-based agency Martin Williams for the Minnesota Department of Health.
Wendy Solie Hansen takes credit for the art direction, with copywriting by Lyle Wedemeyer and photography by Rick Dublin of Dublin Productions. In a feature in Print Casebooks 9, Teresa Reese writes:
For the copy line, […] Hansen chose Caslon Antique because it reminded her of smoke, “kind of wavy and jagged and not clean-looking.”
The small print sometimes is in Helvetica (or similar), but that varies between the various printings.