A History of Color by Robert A. Crone

Author:Robert A. Crone
Language: eng
Format: epub
Publisher: Springer-Verlag Wien 2012
Published: 2013-11-18T16:00:00+00:00

2. Some people cannot distinguish red from green, but others are much less severely affected and can sometimes not even be detected with certainty.

3. Red-green blind persons can be separated into two groups. The first group sees the normal width of the spectrum, the second group sees a spectrum which is shorter at the red end. Persons in the second group see red as a much darker color and therefore make different color mistakes from persons in the first group.

Seebeck supported Schopenhauer’s viewpoint that a disturbance of red vision is coupled with a disturbance of green vision, and could give no explanation for the two groups specified under 3. With his two groups, Seebeck had, without realizing it, placed two cuckoo’s eggs in Goethe’s and Schopenhauer’s nest. The two young birds which hatched from them were to be called redblindness and greenblindness by Helmholtz. Goethe did not live to witness this, but the young Newtonian Helmholtz was to be a thorn in the flesh of Schopenhauer.

After Seebeck’s article other extensive studies of colorblindness followed. In 1843 Elie Wartmann gave an exemplary survey of Daltonisme, but produced no important new facts. George Wilson followed in 1855; he was the first to point out the dangers of defective color vision in connection with color signals at sea and on the railways.

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