Sankey diagrams are named after Irish Captain Matthew Henry Phineas Riall Sankey, who used this type of diagram in 1898 in a classic figure (see panel on right) showing the energy efficiency of a steam engine.
Ira D. Sankey | Venn diagram | Vernon Sankey | Stuart Sankey | Sankey Viaduct | Phase diagram | Function block diagram | Euler diagram | Coxeter–Dynkin diagram | Warnier/Orr diagram | Voronoi diagram | Satake diagram | Ribbon diagram of Sucrose Synthase-1 3S27 Structure, isolated from ''Arabidopsis thaliana | Matthew Henry Phineas Riall Sankey | Lexis diagram | ''K''5 is the Hasse diagram | John Sankey, 1st Viscount Sankey | Jerome Sankey | Jay Sankey | Hertzsprung–Russell diagram | Grotrian diagram | Function Block Diagram | Diagram of ''Trigonia costata'' James Parkinson | Control flow diagram | Campbell Diagram | Campbell diagram | Andy Diagram |
Just four years later in 1902 Robert Henry Thurston among others acknowledged, that the heat distribution of the then modern steam engine was best shown by the use of the so-called "Sankey Diagram".