John Tyndall, DCL, LLD, FRS, Professor of Natural Philosophy at the Royal Institution mb-code WE001183 16 miles per hour at

16 miles per hour at Pendine Sands

Sir William had introduced his Explosive Substances Bill following a recent attempt by Irish American activists to blow up The Times offices

The Imperial International Exhibition was a world's fair and opened on May 20 1909 by the Duke of Argyll and closed in October

Figures are seated and standing

Ramon Novarro

John Tyndall, DCL, LLD, FRS, Professor of Natural Philosophy at the Royal Institution mb-code WE001183 16 miles per hour atJohn Tyndall, DCL, LLD, FRS, Professor of Natural Philosophy at the Royal Institution, 1877. From Men of Mark: a gallery of contemporary portraits of men distinguished in the Senate, the Church, in science, literature and art, the army, navy, law, medicine, etc. Photographed from life by Lock and Whitfield, with brief biographical notices by Thompson Cooper. (London, 1876 1883).