Noah Ernest Dorsey (March 15, 1873 – 1959)
/ref> was an American physicist, known for his contributions to measurement technology. He was born in Annapolis, Maryland and studied at

Johns Hopkins University Johns Hopkins University (Johns Hopkins, Hopkins, or JHU) is a private research university in Baltimore, Maryland. Founded in 1876, Johns Hopkins is the oldest research university in the United States and in the western hemisphere. It consi ...

where he obtained a

B.A. Bachelor of arts (BA or AB; from the Latin ', ', or ') is a bachelor's degree awarded for an undergraduate program in the arts, or, in some cases, other disciplines. A Bachelor of Arts degree course is generally completed in three or four yea ...

(1893) and a

Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...

(1897). He worked at the same place a few years, was with U. S. Bureau of Soils and the Department of Agriculture as well, before he eventually joined

National Bureau of Standards The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical sci ...

(1903) where he stayed until retirement in 1943. His research was on standards of radioactivity and x-ray measurements (1914–22), becoming the leader of the Radium Section (1921) and publishing a widely used book covering this emerging field, including specifications of his own bodily injuries from interactions with radium and radon.

Books

*''The Physics of Radioactivity'' (1921)

References

American physicists People from Annapolis, Maryland Johns Hopkins University alumni Johns Hopkins University faculty 1873 births 1959 deaths Date of death missing Place of death missing {{US-physicist-stub