Stephen Hales
British scientist
Died when: 83 years 109 days (999 months)Star Sign: Virgo
Stephen Hales (17 September 1677 – 4 January 1761) was an English clergyman who made major contributions to a range of scientific fields including botany, pneumatic chemistry and physiology.
He was the first person to measure blood pressure.He also invented several devices, including a ventilator, a pneumatic trough and a surgical forceps for the removal of bladder stones.
In addition to these achievements, he was a philanthropist and wrote a popular tract on alcoholic intemperance.
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