Complex sentence: Sir James Guthrie (June 10,1859--September 6,1930) was a Scottish painter, best known in his own lifetime for his portraiture, although today more generally regarded as a painter of Scottish Realism.
Split into simpler sentences: Sir James Guthrie (June 10,1859--September 6,1930) was a Scottish painter. He was best known in his own lifetime for his portraiture, although today he is more generally as a painter of Scottish Realism.