Tiberius Cavallo, Italian chemist and philosopher, 1786.
© Science Museum / Science & Society Picture Library
Silhouette of Tiberius Cavallo (1749-1809) was of Italian birth but lived in London where he wrote on electricity and made important improvements in electroscopes and condensers. His 'Treatise on Electricity' went through five editions and in the 1795 edition he presented Galvani's and Volta's new discoveries. He also translated Volta's papers for the Royal Society.