The chemists are a strange class of mortals, impelled by an almost insane impulse to seek their pleasures amid smoke and vapor, soot and flame, poisons and poverty; yet among all these evils I seem to live so sweetly that may I die if I were to change places with the Persian king. ~ Johann Joachim Becher 1635-1682
Visit the Chemical Heritage Foundation Museum located on Chestnut St. in Old Philadelphia. Discover the historical world of chemistry. Admission is free.