Norman Holter
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Norman Jefferis "Jeff" Holter was an American biophysicist who invented the Holter monitor, a portable device for continuously monitoring the electrical activity of the heart for 24 hours or more. Hol
De Norman Holter
A Holter monitor
Helena, Montana
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Helena is the capital city of the U.S. state of Montana and the county seat of Lewis and Clark County.
Norman Holter
…the electrical activity of the heart for 24 hours or more. Holter donated the rights to his invention to medicine. Holter was born February 1, 1914, in Helena, Montana. He graduated from Carroll College in 1931 and then continued his studies at University of California Los Angeles, graduating from there with a master's…
Helena Montana 2006
Montana State Capitol by T. Elizabeth
Montana Original Governors Mansion
Carroll College Helena, Montana