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A Pioneering Spirit on the Frontiers of Medicine

1849 – 1899

In 1849, cousins Charles Pfizer and Charles Erhart founded Charles Pfizer & Company in a red brick building in Brooklyn, NY.

1900 – 1950

The new century brought prosperity to Pfizer. The pioneering of the mass production of citric acid from sugar through mold fermentation fueled growth for years.

1951 – 1999

The second half of the 1900´s saw intense pharmaceutical research and great successes for Pfizer.

2000 – Present

Pfizer increases its global presence through the acquisitions of Warner-Lambert and Pharmacia. Additionally, through strategic partnerships and acquisitions of diversified businesses, such as Wyeth, Pfizer solidifies its place as one of the most diversified companies in the global health care industry. Pfizer continues to focus on applying science and the company's global resources to improve health and well-being at every stage of life.

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Pfizer Corporate Responsibility

Learn more about our commitments and performance in the area of corporate responsibility.

Pfizer Annual Report
Pfizer Annual Report

Pfizer. Where science comes to life. Where life meets science.

Anti-Infectives Timeline

Pfizer has long been at the forefront in the battle against infectious diseases. The story begins with the development of an unprecedented technique for mass-producing penicillin in 1941, and continues on to the present day. Medicines such as Unasyn®, Zithromax® and Diflucan® in the '70s and '80s and Vfend®, Zyvox®, and Eraxis® today, have saved countless lives worldwide, and continue to do so. In parallel to these scientific innovations, Pfizer has also worked for a healthier world through education and philanthropic ventures.