Marion J. Siegman,
PhD, FAPS, Archives
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On May 6, 1953, Dr. John Gibbon, Jr. completed the first successful open-heart surgery at Jefferson Medical College Hospital with help of his heart-lung machine called "Model II."

Yearbooks are a treasure trove of information about Jefferson's history. Explore our digitized yearbooks to gain perspective from students enrolled at Thomas Jefferson University at Center City and East Falls and its predecessor institutions, including Jefferson College in Philadelphia (1824-1838), Jefferson Medical College (1838-1969), the Philadelphia Textile School (1884-1942), Philadelphia Textile Institute (1942-1961), Philadelphia College of Textiles and Science (1961-1999), and Philadelphia University (1999-2017).

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