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About

Deans of the Bloomberg School

Michael J. KlagMichael J. Klag

2005-present

Michael Klag, an internationally known expert on the epidemiology and prevention of cardiovascular and kidney disease, and a Johns Hopkins faculty member since 1987, became dean of the Johns Hopkins Bloomberg School of Public Health on September 1, 2005.

Alfred SommerAlfred Sommer

1990-2005

In an incredible career marked by lasting contributions to ophthalmology, epidemiology, micronutrient research, disaster relief and other areas, Dean Emeritus Alfred Sommer is best known for his research into vitamin A deficiency.

Donald A. HendersonDonald A. Henderson

1977-1990

D. A. Henderson directed the World Health Organization's campaign to eradicate smallpox. After the 9/11 attack, the U.S. Department of Health and Human Services appointed him as the first director of the Office of Public Health Emergency Preparedness.

John Chandler HumeJohn Chandler Hume

1967-1977

John Hume (1911-1998) continued to focus on the growth of health services research and the integration of social and behavioral sciences into the School's already expanding public health curriculum. During his tenure, enrollment more than doubled.

Ernest StebbinsErnest Stebbins

1946-1967

Ernest Stebbins (1901-1987) instigated new clinical programs in environmental medicine and chronic diseases. He also co-founded (along with Timothy D. Baker) the first academic unit devoted to international health in 1961.

Lowell Jacob ReedLowell Jacob Reed

1937-1946

Lowell Reed (1886-1966) coined the term “biostatistics” and chaired that department from 1925 to 1948. He also helped establish the MPH curriculum as the standard degree for public health professionals.

Allen Weir FreemanAllen Weir Freeman

1934-1937

Allen Freeman (1881-1954) led the School to dramatically expand its MPH program with training funds provided by the 1935 Social Security Act. He was also influential in shaping the contours of local public health departments across America, including Maryland.

Wade Hampton FrostWade Hampton Frost

1931-1934

Wade Frost (1880-1938), the founding chair of the Department of Epidemiology, is acknowledged as one of the preeminent epidemiologists of the 20th century. He also helped establish the important Eastern Health District research area in Baltimore.

William H. HowellWilliam H. Howell

1926-1931

William Howell (1860-1945) worked closely with William Welch to establish and plan what was then the Johns Hopkins School of Hygiene and Public Health. He was a leader in curriculum reform in both medical and public health education.

William Henry WelchWilliam Henry Welch

1916-1926

William Welch (1850-1934) was the Rockefeller Foundation’s key medical advisor. In 1916, he was instrumental in securing the grant that established the world’s first graduate school of public health—the Johns Hopkins School of Hygiene and Public Health.