John couch adams, by sir hubert von herkomer (died 1914). Object Type: painting. Genre: portrait. Date: 1888. Dimensions: height: 54.7 cm (21.5 in) ; width: 40.7 cm (16 in). Medium: oil on canvas. Depicted People: John Couch Adams. Collection: National Portrait Gallery. John Couch Adams by Sir Hubert von Herkomer
