Stephen Hales

Stephen Hales, FRS, DD (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 invented several devices, including a ventilator, a pneumatic trough and a surgical forceps for the removal of bladder stones. He was also a philanthropist and wrote a popular tract on alcoholic intemperance.

Read more about Stephen Hales:  Life, Work, Testimony

Famous quotes containing the word stephen:

    Two voices are there: one is of the deep;
    It learns the storm-cloud’s thunderous melody,
    —James Kenneth Stephen (1859–1892)