This oral history transcript documents the research contributions at Genentech, focusing on T-PA (tissue plasminogen activator). Featuring interviews with key scientists and researchers, including Diane Pennica, the transcript provides valuable insights into the development of this life-saving drug and the scientific environment at Genentech during a pivotal period in biotechnology history.

The oral history, conducted by Sally Smith Hughes, captures the challenges, innovations, and collaborations that led to breakthroughs in pharmaceutical research. This document offers a unique perspective on the scientific process and the individuals who shaped the biotechnology industry. It is an essential resource for historians of science, biotechnology professionals, and anyone interested in the story of Genentech's groundbreaking work.

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