Which pharmaceutical company first introduced the now-ubiquitous 'blister pack' design that revolutionized medication packaging by improving patient adherence through day-of-week labeling?

Pharmaceutical packaging design has evolved dramatically in recent decades, not just for marketing appeal but primarily for patient safety, medication adherence, and special handling requirements. From tamper-evident seals following the 1982 Tylenol crisis to modern smart packaging that can track medication usage, the field represents a fascinating intersection of healthcare, design, and technology. Test your knowledge of a groundbreaking medical packaging design that changed the industry.

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Pfizer with their Compliance Pak (C-Pak) for antibiotics in 1963
SmithKline (now GSK) with the Dosepak for Dyazide in 1967
Johnson & Johnson with their SafeGuard system for Tylenol in 1982
Merck with their CalendarPak for oral contraceptives in 1970