Physics includes equations.
Colonel Sir Henry George Lyons FRS -LRB- 11 October 1864 -- 1944 -RRB- was a geologist and director of the Science Museum in London .. FRS. Royal Society. geologist. geologist. Science Museum. Science Museum ( London ). London. London. Henry Lyons was born in London , the son of General Thomas Lyons .. London. London. Thomas Lyons. Thomas Lyons ( British Army officer ). Lyons was educated at Wellington College and the Royal Military Academy , Woolwich and at the age of 18 was elected to the Geological Society .. Wellington College. Wellington College, Berkshire. Geological Society. Geological Society. In 1884 , he was commissioned a Lieutenant in the Royal Engineers .. Lieutenant. Lieutenant. Royal Engineers. Royal Engineers. He was posted to Cairo in 1890 .. Cairo. Cairo. In 1892 he cleared and surveyed several Ancient Egyptian temples at Buhen .. Buhen. Buhen. In 1896 , he married Helen Hardwick , a daughter of the London architect Philip Charles Hardwick -LRB- 1822 -- 1892 -RRB- .. London. London. Philip Charles Hardwick. Philip Charles Hardwick. In 1920 , with the retiring rank of colonel , Lyons became Director of the Science Museum .. Science Museum. Science Museum ( London ). He introduced working models , exhibited new developments such as the aeroplane , cinema , radio , and gramophone .. He also contributed the children 's gallery .