Hudson spent four years in the U.S. Air Force and an additional four years in the Air Force Reserve. After his time in the service, he attended UAB and worked until retirement from Chicago Bridge and Iron Company. In the early 1960s he and a group of train enthusiasts founded the Heart of Dixie Railroad Club. Bill was the charter editor of the Cinders from the Smokestack newsletter from 1963 to 1971.
Hudson was an avid historian and had a real love and appreciation for trains and Birmingham. In 1999, he received the distinguished Thomas Jefferson Award for his contributions to Birmingham's history. He was also a member of the Jefferson County Historical Society and First Methodist Church in Birmingham.
Hudson died in 2006 and was buried in Forest Hill Cemetery.
- Street Railways of Birmingham (1976). Published by Harold Cox.
- The First Iron Bowl: Alabama versus Auburn (1997). A reprint of the account given in the February 23, 1893 edition of the Birmingham Age-Herald, illustrated with John Horgan's photographs.
- Central Park and a Bit Beyond (2005). Published by Specialty Publishing & Printing.
- Alvin W. Hudson at Findagrave.com