Colonel Sir Henry George Lyons FRS

Royal Society

The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...

 (11 October 1864 – 1944) was a geologist

Geologist

A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes and history that has shaped it. Geologists usually engage in studying geology. Geologists, studying more of an applied science than a theoretical one, must approach Geology using...

 and director of the Science Museum

Science Museum (London)

The Science Museum is one of the three major museums on Exhibition Road, South Kensington, London in the Royal Borough of Kensington and Chelsea. It is part of the National Museum of Science and Industry. The museum is a major London tourist attraction....

 in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

.
Henry Lyons was born in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, the son of General T.C. Lyons, CB.
Lyons was educated at Wellington College

Wellington College, Berkshire

-Former pupils:Notable former pupils include historian P. J. Marshall, architect Sir Nicholas Grimshaw, impressionist Rory Bremner, Adolphus Cambridge, 1st Marquess of Cambridge, author Sebastian Faulks, language school pioneer John Haycraft, political journalist Robin Oakley, actor Sir Christopher...

 and the Royal Military Academy, Woolwich and at the age of 18 was elected to the Geological Society. In 1884, he was commissioned a Lieutenant

Lieutenant

A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

 in the Royal Engineers

Royal Engineers

The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....

. He was posted to Cairo

Cairo

Cairo , is the capital of Egypt and the largest city in the Arab world and Africa, and the 16th largest metropolitan area in the world. Nicknamed "The City of a Thousand Minarets" for its preponderance of Islamic architecture, Cairo has long been a centre of the region's political and cultural life...

 in 1890.