Alden Partridge Colvocoresses
Encyclopedia
Colonel Alden Partridge Colvocoresses (1918-March 27, 2007), USA (Ret.), developed in 1973 - 1979 the Space-oblique Mercator projection
Space-oblique Mercator projection
Space-oblique Mercator projection is a map projection.-History:The space-oblique Mercator projection was developed by John P. Snyder, Alden Partridge Colvocoresses and John L. Junkins in 1976. Snyder had an interest in maps, originating back to his childhood and he regularly attended cartography...

 with John Parr Snyder
John P. Snyder
John Parr Snyder was an American cartographer most known for his work on map projections for the United States Geological Survey . Educated at Purdue and MIT as a chemical engineer, he had a lifetime interest in map projections as a hobby, but found the calculations tedious without the benefit of...

 and John L. Junkins. Colvocoresses was the first to realize that such a projection was needed and mathematically feasible, and in 1974 defined it geometrically as a projection that maps images from Landsat satellites, which he used to develop the first satellite map
Satellite imagery
Satellite imagery consists of photographs of Earth or other planets made by means of artificial satellites.- History :The first images from space were taken on sub-orbital flights. The U.S-launched V-2 flight on October 24, 1946 took one image every 1.5 seconds...

 of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

Biography

Alden P. Colvocoresses was born the son of George M. Colvocoresses II and Alice Hagen in Humbolt, Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

, in 1918. He is the grandson of George Partridge Colvocoresses
George Partridge Colvocoresses
George Partridge Colvocoresses was a United States Navy rear admiral. He was the son of Captain George M. Colvocoresses, the adopted son of Captain Alden Partridge, founder of Norwich University in Vermont. George P...

 and the great-grandson of George Colvocoresses
George Colvocoresses
George Musalas "Colvos" Colvocoresses was a United States Navy officer who commanded the USS Saratoga during the American Civil War. From 1838 up until 1842, he served in the United States Exploring Expedition, better known as the Wilkes Expedition, which explored large regions of the Pacific Ocean...

. He served in the United States Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 in World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, in the 16th Armored Engineer Battalion of the 1st Armored Division
1st Armored Division (United States)
The 1st Armored Division—nicknamed "Old Ironsides"—is a standing armored division of the United States Army with base of operations in Fort Bliss, Texas. It was the first armored division of the U.S...

, pulling duties in North Africa
North Africa
North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

 and Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

. He was twice wounded in combat and has received the Purple Heart
Purple Heart
The Purple Heart is a United States military decoration awarded in the name of the President to those who have been wounded or killed while serving on or after April 5, 1917 with the U.S. military. The National Purple Heart Hall of Honor is located in New Windsor, New York...

 as well as two Silver Stars with Oak Leaf Clusters, the second awarded under the command of Major General Ernest N. Harmon
Ernest N. Harmon
Ernest Nason Harmon was a United States Army general. He is best known for his actions in reorganizing U.S. II Corps after the debacle at the Battle of the Kasserine Pass in North Africa during World War II....

, who later served as president of Norwich University
Norwich University
Norwich University is a private university located in Northfield, Vermont . The university was founded in 1819 at Norwich, Vermont, as the American Literary, Scientific and Military Academy. It is the oldest of six Senior Military Colleges, and is recognized by the United States Department of...

 for 15 years, from 1950-1965. Alden became involved with aerial photo mapping for the 1st Army, where he oversaw some of the photo mapping as preparation for the D-Day
D-Day
D-Day is a term often used in military parlance to denote the day on which a combat attack or operation is to be initiated. "D-Day" often represents a variable, designating the day upon which some significant event will occur or has occurred; see Military designation of days and hours for similar...

 assault on Normandy
Normandy
Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

.

After leaving the Army, Alden was a pioneer in satellite mapping techniques, including the Space-oblique Mercator projection that maps images from Landsat satellites, which he used to develop the first satellite map of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

On May 8, 2005 Colvocoresses gave his great-great-niece, Gretchen Herrboldt Hahn, graduate of NU
Norwich University
Norwich University is a private university located in Northfield, Vermont . The university was founded in 1819 at Norwich, Vermont, as the American Literary, Scientific and Military Academy. It is the oldest of six Senior Military Colleges, and is recognized by the United States Department of...

 2005, the commissioning oath as a 2nd 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 U.S. Army
United States Army
The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

. She became the first descendant of Norwich University
Norwich University
Norwich University is a private university located in Northfield, Vermont . The university was founded in 1819 at Norwich, Vermont, as the American Literary, Scientific and Military Academy. It is the oldest of six Senior Military Colleges, and is recognized by the United States Department of...

 founder Alden Partridge
Alden Partridge
Alden Partridge, was an American author, legislator, officer, surveyor, an early superintendent of the United States Military Academy at West Point, New York and a controversial pioneer in U.S...

 to graduate from Norwich in 138 years. Alden is the brother of Gretchen's maternal great-great grandmother and a key link in a military family whose roots are entwined deep in the Norwich tradition.

He died March 27, 2007 at Inova Fairfax Hospital. He is buried at Arlington National Cemetery
Arlington National Cemetery
Arlington National Cemetery in Arlington County, Virginia, is a military cemetery in the United States of America, established during the American Civil War on the grounds of Arlington House, formerly the estate of the family of Confederate general Robert E. Lee's wife Mary Anna Lee, a great...

.

See also

  • Colvocoresses Reef
    Colvocoresses Reef
    Colvocoresses Reef is a wholly submerged atoll structure in the Northeast of the Chagos Archipelago, Indian Ocean. It is located 15 km east of Speakers Bank and 28 km northeast of Blenheim Reef. The reef measures 8 km north-south, and is 1 to 2 km wide, with a total area of about 10 km². Breakers...

     which is named after him

John Hessler, Projecting Time: John Parr Snyder and the Development of the Space Oblique Mercator Projection, Library of Congress, 2003

External links

  • Norwich University
  • Obituary – in The Washington Post
    The Washington Post
    The Washington Post is Washington, D.C.'s largest newspaper and its oldest still-existing paper, founded in 1877. Located in the capital of the United States, The Post has a particular emphasis on national politics. D.C., Maryland, and Virginia editions are printed for daily circulation...

  • Arlington National Cemetery
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK