Puck – March 12, 1884 – Look Before You Eat: This Puck frontispiece captures the essence of the “pure food” movement in American history. With a “chemistry” text in his pocket and a bib around his neck (signifying that he who analyzes food also eats it), this scientist is employing the tools of his trade to precisely pinpoint the contents of frequently adulterated 19th century foodstuffs.