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155:, published in 1942 (See Fig. 1). However, the resulting FrieleâMacAdamâChickering color difference formula proved less effective in predicting perceived color differences than formulas derived on other bases. In attempting to convert the ellipses to circles of equal size MacAdam encountered the non-
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One of MacAdam's best known contributions was in support of technological color control. Assuming that the basis of color difference perception was the statistical error in matching the appearance of a given color stimulus he conducted an extensive experiment with one observer, the result of which
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from 1964 to 1975. He was active in the Inter-Society Color
Council and the Commission Internationale de lâEclairage (CIE). He received honors from many societies, including the Frederic Ives Medal of the Optical Society of America in 1974.
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While still studying, MacAdam published in 1935 two papers on the theory of optimal object colors in which he showed the results of his calculations of the optimal object
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of the color solid. Upon the retirement of its first chairman D. B. Judd, MacAdam was elected chair. The result of the committee's work was published in 1974 as
258:, a presentation of fields of color science in which he has made important contributions. He is also the author of some 100 peer-reviewed journal articles.
106:, Institute of Optics where he remained active until 1995. At Eastman Kodak, among many other things, he helped to establish the theoretical basis for
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86:, he originated the first course in color measurement and assisted Hardy in the preparation of âHandbook of Colorimetry,â published in 1936.
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Judd, D. B., MacAdam, D. L., Wyszecki, G. W. Spectral distribution of typical daylight as a function of correlated color temperature,
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In the mid-1940s MacAdam pioneered the use of computers in colorimetric computations, established Hardy's reflectance
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202:, demonstrating that they can be represented as linear combinations of a limited number of spectral components.
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as a reliable industrial measuring instrument, and invented a tristimulus integrator as an accessory.
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102:. He retired from the company in 1975. Subsequently, he was named adjunct professor at the
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MacAdam was president of the
Optical Society of America in 1963 and editor of the
242:. His interest in the history of color science resulted in publication in 1970 of
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who made important contributions to color science and technology in the fields of
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394:, Optical Society of America Committee on Colorimetry, New York: Crowell, 1953.
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was expressed in the CIE chromaticity diagram in form of statistically derived
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254:, several translated for the first time into English. In 1981 he published
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with OSA publishing a related color atlas with 558 samples in 1977.
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The theory of maximum visual efficiency of colored materials,
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Optical
Society of America § Past Presidents of the OSA
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Visual sensitivities to color differences in daylight,
238:(1936) he was a major contributor to OSA's 1953 book
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MacAdam was a leading member of the committee of the
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Necrology, David Lewis MacAdam,by
Michael H. Brill,
218:, began work on a perceptually uniform colorimetric
297:Subtractive color mixture and color reproduction,
323:Maximum visual efficiency of colored materials,
206:Optical Society of America Uniform Color Scales
30:(July 1, 1910 â March 9, 1998) was an American
487:People from Upper Darby Township, Pennsylvania
78:. In 1936, he received a PhD in physics from
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198:of phases of daylight of various correlated
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96:Research Laboratories of the Eastman Kodak
380:Journal of the Optical Society of America
367:Journal of the Optical Society of America
354:Journal of the Optical Society of America
341:Journal of the Optical Society of America
325:Journal of the Optical Society of America
312:Journal of the Optical Society of America
299:Journal of the Optical Society of America
264:Journal of the Optical Society of America
182:Principal component analysis of daylight
416:Color Measurement: Theme and Variations
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256:Color Measurement: Theme and Variations
214:that in 1947, at the suggestion of the
16:American physicist and color scientist
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234:In addition to his contributions to
94:Upon graduation MacAdam joined the
64:Upper Darby Township, Pennsylvania
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418:, New York: Springer Verlag, 1981
406:, Cambridge, MA: MIT Press, 1973.
352:Frederic Ives Medalist for 1974,
170:Instrumentation and computation
492:Presidents of Optica (society)
286:Color Research and Application
216:U.S. National Research Council
194:, MacAdam performed the first
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196:principal component analysis
477:Fellows of Optica (society)
472:American optical physicists
114:Optimal object color limits
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212:Optical Society of America
66:, where he graduated from
134:C and A data from 1932.
404:Sources of Color Science
244:Sources of Color Science
124:CIE chromaticity diagram
236:Handbook of Colorimetry
224:âUniform Color Scales,â
104:University of Rochester
76:Bethlehem, Pennsylvania
68:Upper Darby High School
382:, 64, 1974, 1591â1702.
378:Uniform color scales,
369:, 54, 1964, 1031â1036.
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130:standard observer and
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84:Prof. Arthur C. Hardy
70:in 1928. He attended
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392:The science of color
356:, 65, 1975, 479â482.
343:, 32, 1942, 247â274.
327:, 25, 1935, 361â367.
314:, 25, 1935, 249â252.
240:The Science of Color
44:color discrimination
100:Rochester, New York
62:MacAdam grew up in
54:, and color order.
28:David Lewis MacAdam
23:David Lewis MacAdam
301:28, 1938, 466â480.
288:23, 1998, 200-201.
200:color temperatures
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176:spectrophotometer
108:color photography
72:Lehigh University
48:color photography
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467:Color scientists
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146:MacAdam ellipses
141:MacAdam ellipses
122:raised over the
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192:GĂźnter Wyszecki
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161:psychophysical
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188:Deane B. Judd
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482:Kodak people
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230:Publications
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462:1998 deaths
457:1910 births
164:color space
120:color solid
98:company in
40:colorimetry
451:Categories
272:References
159:nature of
132:illuminant
52:television
34:and color
157:Euclidean
58:Education
36:scientist
32:physicist
426:See also
153:ellipses
82:. Under
442:OSA-UCS
90:Career
248:Plato
220:model
186:With
190:and
50:and
250:to
128:CIE
80:MIT
74:in
453::
332:^
166:.
46:,
42:,
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