History of the world's tallest buildings to be tall, but its true height is not known. For thousands of years, the Great Pyramid in Egypt was the tallest "structure" in the world, but the Great Pyramid is not considered a building since it is not habitable. The earliest structures now known to be the tallest in the world were the Egyptian pyramids, with the Great Pyramid of Giza, at an original height of , being the tallest man-made structure in the world for over 3,800 years, until the construction of Lincoln Cathedral in 1300. From then until the completion of the Washington Monument (capped in 1884)
Robin D. S. Higham Higham received the Victor Gondos Award (now The Edwin H. Simmons Award) for his outstanding service to the Society for Military History. He married Barbara Davies on August 5, 1950. They had a son and three daughters. He lived in Manhattan, Kansas. Higham became an American citizen in 1959. Robin D. S. Higham Robin David Stewart Higham (20 June 1925 in London – 27 August 2015 in Manhattan, Kansas) was a pilot with the Royal Canadian Air Force during World War II and an American historian, specializing in aerospace and military history. Higham was born to a British veteran of