Pioneering colour photography

 
The first permanent colour photograph by Thomas Sutton

It's just a picture of a tartan ribbon and may seem unremarkable, yet it marks a crucial moment in the development of colour photography and forms the basis of the photographs we take today.

The photograph was first seen at King's College London during a Royal Institution lecture on colour theory by the Scottish physicist James Clerk Maxwell on the 17 May 1861 and the college is marking the 150th anniversary of that demonstration with an evening of talks celebrating his scientific discoveries.

The first permanent colour photograph was taken by Thomas Sutton who was working with Clerk Maxwell and is a composite of three black and white pictures, each one taken through a red, green or blue filter. The resulting slides were then projected through three similarly filtered lenses resulting in a colour photograph.

Looking at the ease with which we now capture colour pictures and transmit them around the world in seconds it's easy to forget that it was not that long ago news agencies were transmitting their wire photographs as colour separations, usually cyan, magenta and yellow - a process that relied on Clerk Maxwell's discovery. Indeed even the latest digital camera relies on the separation method to capture light.

As late as the 1980s wire photographs would be transmitted by news agencies such as the Associated Press and printed out by the client as three black and white pictures; these would then be photographed through the same filters and re-constituted as a colour print.

As electronic delivery took over this method moved to the computer, but even then the pictures would arrive in three parts ready for the client to reassemble. It was sometime before full colour transmission was widespread.

Wire photograph of the assassination attempt on President Reagan, 1981

Having searched the basement archive here at Television Centre for a suitable example, the only one I have located so far where the separations and a colour hard copy exist is a picture taken during the assassination attempt on US President Ronald Reagan in 1981 that was issued by the White House at that time.

Reagan was injured as were three others, Secret Service agent Jerry Parr, White House press secretary James Brady and police officer Thomas Delahanty.

Wire photographs of the assassination attempt on President Reagan, 1981

You can see the three flimsy black and white wire photos as small images above, though they are somewhat faded now. The small holes at the top of the prints were made for registration purposes when re-photographing them. Failure to align each picture correctly would result in an unusable end product.

The colour image above is a Polaroid that would at the time have been placed in front of a TV camera and shown on air.

Anyone who has ever taken a colour photograph should salute Clerk Maxwell. He maybe best remembered for his work on electromagnetism but for photographers his work on colour theory stands as a high point.

Update, 09:20, 19 May: In response to the question below from Nilton Quoirin (comment 5). I'm not actually sure who took this picture of the assassination attempt. It is simply credited to the White House and we would have obtained it at the time via the Associated Press.

The most well known sequence of pictures from the event was taken by Ron Edmonds of AP who won a Pulitzer Prize for his work.

You can see more colour pictures of the event in the Reagan Library archives and I believe you can see photographer Ron Edmonds to the right of this frame.

If anyone knows who took the official picture published above then let me know.

 
Phil Coomes, Picture editor Article written by Phil Coomes Phil Coomes Picture editor

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  • rate this
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    Comment number 5.

    Very interesting article. I'm curious about who took that picture of the assassination attempt. There's a famous one by SebastiĆ£o Salgado from another angle. Is he the author?

  • rate this
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    Comment number 4.

    The red dye in the pattern of Maxwell's ribbon also reflected near ultraviolet radiation from the illuminating bright daylight. The UV was a proxy for red in activating the emulsion for the red-filtered light. See centenary article Maxwell's Color Photograph by Ralph M Evans in Sci Amer vol 205 pp 118-126 1961, which reported on a study including the properties of materials available to Maxwell

  • rate this
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    Comment number 3.

    Clerk Maxwell's theory of additive colour photography was spot on, what is less clear is how he managed to record through a red filter when the photographic plates of the time were not sensitive to red light.

  • rate this
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    Comment number 2.

    I can't believe it's only 30 years since to go from a painstakingly prepared single still image to the endless rolling news and patronising graphics we suffer today...

  • rate this
    +2

    Comment number 1.

    We should remember Jame Clerk Maxwell for rather more than colour photography. His equations fully describe electro magnetism and are one of the greatest leaps forward in theoretical physics with arguably the greatest practical application of any such theory.

 
 

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