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Title: Stephen Hales, English Botanist and Physiologist
Caption: Stephen Hales (1677-1761) was an English clergyman who made major contributions to a range of scientific fields including botany and physiology. He invented several device including a ventilator, a pneumatic trough and a surgical forceps for the removal of renal stones. He was also a philanthropist who opposed slavery and wrote a popular tract on alcoholic intemperance.
Category: Science: Personalities
Credit: Album / Science Source / New York Public Library
Image size: 3000 × 3632 px | 31.2 MB
Print size: 25.4 × 30.8 cm | 1181.1 × 1429.9 in (300 dpi)