Changes

Many of his paintings were commissioned by East Coast institutions, especially [[Harvard University]], where he acted as house portraitist. Among his sitters were [[Oliver Wendell Holmes]], [[Calvin Coolidge]], and [[John Masefield]].  

Many of his paintings were commissioned by East Coast institutions, especially [[Harvard University]], where he acted as house portraitist. Among his sitters were [[Oliver Wendell Holmes]], [[Calvin Coolidge]], and [[John Masefield]].  

He began to draw for the ''[[Harvard Lampoon]]'' upon his entrance to Harvard in 1888, and in [[1891]], he moved to [[New York]] to study at the Art Students' League where he worked with [[John Twachtman]] and [[H. Siddons Mowbray]].  

He began to draw for the ''[[Harvard Lampoon]]'' upon his entrance to Harvard in 1888, and in 1891, he moved to [[New York]] to study at the Art Students' League where he worked with [[John Twachtman]] and [[H. Siddons Mowbray]].  

Hopkinson studied at the [[Academie Julian]] in [[Paris]] with [[Edmond Aman-Jean]], traveled to [[Brittany]], and exhibited in the 1895 Paris Salon. In the late 1890's he worked in [[Cambridge]], [[Massachusetts]] and showed his paintings in New York at the [[Society of American Artists]] and also in Boston.

Hopkinson studied at the [[Academie Julian]] in [[Paris]] with [[Edmond Aman-Jean]], traveled to [[Brittany]], and exhibited in the 1895 Paris Salon. In the late 1890's he worked in [[Cambridge]], [[Massachusetts]] and showed his paintings in New York at the [[Society of American Artists]] and also in Boston.

He returned to [[Europe]] in 1901, where he visited [[Spain]] to study the painting of [[Velazquez]] and [[El Greco]] and traveled through Brittany, and [[Holland]] to see portraits by his "heroes," [[Franz Hals]] and [[Rembrandt]].  

He returned to [[Europe]] in 1901, where he visited [[Spain]] to study the painting of [[Velazquez]] and [[El Greco]] and traveled through Brittany, and [[Holland]] to see portraits by his "heroes," [[Franz Hals]] and [[Rembrandt]].  

Hopkinson then began a lucrative career as a portrait painter in Cambridge, his first commission being a baby portrait in [[1896]] of poet [[E. E. Cummings]], a work that is in the [[Massachusetts Historical Society]].  

Hopkinson then began a lucrative career as a portrait painter in Cambridge, his first commission being a baby portrait in 1896 of poet [[E. E. Cummings]], a work that is in the [[Massachusetts Historical Society]].  

Adopting the color theories of his former neighbor [[Denman Ross]], who had become a prominent collector and a teacher at Harvard, Hopkinson later used the results of Carl Cutler's experiments with a spinning disk to study the color spectrum.  

Adopting the color theories of his former neighbor [[Denman Ross]], who had become a prominent collector and a teacher at Harvard, Hopkinson later used the results of Carl Cutler's experiments with a spinning disk to study the color spectrum.