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H. F. T. Likely referring to Heinrich Friedrich Teichmeyer, a physician and botanist.	606
Diogo de Carvalho e Sampayo A Portuguese diplomat and color theorist known for his work on the mixing of colors.	614
Robert Waring Darwin Father of Charles Darwin; he wrote on ocular spectra and the physiology of vision.	623
Anton Raphael Mengs A famous German Neoclassical painter who wrote extensively on beauty and color in art.	628
Jeremias Friedrich Gülich An expert in dyeing and the chemical application of colors.	630
Eduard Hussey Delaval An English experimentalist who researched the colors of transparent and opaque bodies.	633
Joh. Leonhard Hoffmann A painter and author who wrote on the practical application of color theory.	639
Robert Blair An astronomer and physician known for his work on achromatic lenses.	645
The Author’s Confession original: "Confession des Verfassers"; Goethe’s personal account of how he came to study color.	666

Apology.


In place of the supplementary part	693
Effect of colored lighting	703