Antoine Laurent de Lavoisier, 18th century French scientist Giovanni Bizzelli including below: 'Morelli et Siesto

including below: 'Morelli et Siesto del

I once had a fair Fatherland: it was a dream

The present library was commissioned in 1587 by Pope Sixtus V

Relief showing the Roman lighthouse at Ostia

Antoine Laurent de Lavoisier, 18th century French scientist Giovanni Bizzelli including below: 'Morelli et SiestoAntoine Laurent de Lavoisier, 18th century French scientist, (1812). Among other achievements, Lavoisier (1743 1794) was one of the discoverers of oxygen, and established the laws of chemical combination. He improved the manufacture of gunpowder when director of government powder mills. He was executed by guillotine during the French Revolution.