Baron Wilhelm Theodor Unge was a military engineer who invented a telemeter

Telemeter

A telemeter is a device used to remotely measure a quantity. Telemeters are generally the physical devices used in telemetry. Electronic devices are widely used in telemetry and can be wireless or hard-wired, analog or digital...

 and various improvements to artillery

Artillery

Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

. He was born in Stockholm, Sweden in 1845. He worked with Alfred Nobel

Alfred Nobel

Alfred Bernhard Nobel was a Swedish chemist, engineer, innovator, and armaments manufacturer. He is the inventor of dynamite. Nobel also owned Bofors, which he had redirected from its previous role as primarily an iron and steel producer to a major manufacturer of cannon and other armaments...

 to improve the range and accuracy of Hale

William Hale (British inventor)

William Hale , was a British inventor and rocket pioneer.- Biography :Hale was born in Colchester, England in 1797. He was self-taught although his grandfather, the educator William Cole, is believed to have tutored him...

 rockets, by using improved propellants and launching from cannons. It is possible that one of his rockets carried the Nobel camera that made the first aerial photograph from a rocket in April 1897.

After Nobel died in 1896, Unge obtained patents for improved rockets with some sold to several countries. In 1908 he sold his patents to Friedrich Krupp

Friedrich Krupp

Friedrich Krupp was a German steel manufacturer and founder of the Krupp family commercial empire that is now subsumed into ThyssenKrupp AG. He launched the family's metal-based activities, building a small steel-foundry in Essen in 1811. He was the father of the arms manufacturer Alfred Krupp....

.

See also

• Hale rockets
  William Hale (British inventor)
  William Hale , was a British inventor and rocket pioneer.- Biography :Hale was born in Colchester, England in 1797. He was self-taught although his grandfather, the educator William Cole, is believed to have tutored him...
  
  
• Aerial photography
  Aerial photography
  Aerial photography is the taking of photographs of the ground from an elevated position. The term usually refers to images in which the camera is not supported by a ground-based structure. Cameras may be hand held or mounted, and photographs may be taken by a photographer, triggered remotely or...
  
  
• Aerial reconnaissance
  Aerial reconnaissance
  Aerial reconnaissance is reconnaissance that is conducted using unmanned aerial vehicles or reconnaissance aircraft. Their roles are to collect imagery intelligence, signals intelligence and measurement and signature intelligence...