question: Robert Richardson served as a family physician for Alexander Campbell, who was a Scots-Irish immigrant, who later became what in the United States?
answer: an ordained minister
context: Title: Gen. Alexander Campbell House
  Passage: The Gen. Alexander Campbell House is a historic house on United States Route 1 in Cherryfield, Maine.  Built in 1790, the originally Federal-style house underwent a number of alterations in 19th century, and now has a somewhat Victorian appearance.  The house is notable for being built by Alexander Campbell, a leading figure of Down East Maine during the American Revolutionary War and the subsequent decades.  The house was listed on the National Register of Historic Places in 1977, and is a contributing element of the Cherryfield Historic District.
  Title: James Campbell (industrialist)
  Passage: James Campbell, Esq. (February 4, 1826 – April 21, 1900) was a Scots-Irish industrialist in sugar cane processing, who became one of the largest landowners in the United States Territory of Hawaiʻ i, and a real estate developer.  He was an immigrant to Hawaiʻ i from Ireland.  At the age of 51, he married for a second time, to a young woman who was a daughter of Hawaiian aristocracy.  They had eight children, four of whom survived to adulthood.  One of their daughters married into the ruling family, and their grandchildren were heirs to the throne of the kingdom of Hawaii.
  Title: Robert Richardson (religion)
  Passage: Dr. Robert Richardson (1806 – 1876) was an American medical doctor who spent much of his life teaching and working as an administrator at Bethany College.  He served as family physician for Alexander Campbell, noted Restoration Movement pioneer, for well over 30 years.  He was also associate editor for Campbell’s "Millennial Harbinger" magazine for nearly 30 years.
  Title: Alexander Campbell (clergyman)
  Passage: Alexander Campbell (12 September 1788 – 4 March 1866) was a Scots-Irish immigrant who became an ordained minister in the United States and joined his father Thomas Campbell as a leader of a reform effort that is historically known as the Restoration Movement, and by some as the "Stone-Campbell Movement."  It resulted in the development of non-denominational Christian churches, which stressed reliance on scripture and few essentials.
  Title: Cockburn-Campbell baronets
  Passage: The Campbell, later Cockburn-Campbell Baronetcy, of Gartsford in the County of Ross, is a title in the Baronetage of the United Kingdom.  It was created on 3 July 1821 for Lieutenant-General Alexander Campbell, with remainder, in default of male issue of his own, to 1) the male issue of his daughter Olympia, failing which 2) to the male issue of his daughter Isabella Charlotte.  He had already been created a baronet on 6 May 1815, with normal remainder to heirs male.  Campbell had earlier fought at the Battle of Seringapatam in 1799 and commanded a division during the Peninsular War.  The creation of 1815 became extinct on his death in 1824 while he was succeeded in the 1821 creation by Alexander Thomas Cockburn, who assumed the additional surname of Campbell the same year.  The fourth Baronet was President of the Legislative Council of Western Australia.  The sixth Baronet was the author of the autobiography "Land of Lots of Time".
citations: Alexander Campbell (clergyman) Robert Richardson (religion)