Dinshaw Ghadiali

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Col. Ghadiali

Colonel Dinshaw P. Ghadiali (28 November 1873 - 30 April 1966) was an American born in India who invented equipment for light-based medical therapy. During World War I he served as a pilot in the New York Police Air Reserves, where he rose to the rank of Colonel.

Early years

In August 1911 Ghadiali emigrated to the United States.[1] His wife Manek, then 30 years old, was in England at Chiswick, a section of London. Two sons, a daughter, and a nephew lived with her.[2] In October Manek and the two younger children followed Dinshaw to America.[3]

Theosophical Society involvement

Ghadiali was admitted to the Indian Section on October 26, 1891 and transferred to the American Section in 1962 at the age of about 89. His address in 1962 was Visible Spectrum Research Institute, Malaga, New Jersey. In New Jersey he was a member-at-large rather than being attached to a local lodge or branch, until his death on April 30, 1966.[4]


After his immigration to America in 1911, Ghadiali set up a business as an inventor in New Jersey. He elaborated on the color theories of American mesmerist Edwin Babbitt and creating electrical devices.

Four years after he arrived, the New York Times reported that he had filed a patent for the Dinshah Photokinephone, which he claimed was the first film projector able to coordinate sound with flickering images without the use of a phonograph. The article claimed that he already had “several inventions to his name,” such as the “Dinshah Automobile Engine Fault-Finder.”[5]



Ghadiali is best known for inventing and marketing of the Spectro-Chrome, which was widely used in medical therapies until it was discredited by a skeptical Food and Drug Administration in 1945.

The device was described in this way:

An FDA agent who dismantled this curious machine, which looks like a simple aluminum slide projector mounted on a stand, described it as follows: “Examination showed that the device consisted essentially of a cabinet equipped with a 1000-watt floodlight bulb and electric fan, a container of water for cooling purposes, two glass condenser lenses for concentrating the light, and a number of glass slides of different colors.”

A journalist summarized the theories behind the Spectro-Chrome:

Ghadiali believed that the body was made up of oxygen, hydrogen, nitrogen, and carbon, which were colored blue, red, green, and yellow respectively. When the four colors are out of balance, people become sick, and the Spectro-Chrome promised to restore a natural harmony. Ghadiali published a chart which showed the twenty-two parts of the body that particular colors should be projected onto to cure different illnesses, and specified the exact time of day each hour-long sitting should take place in a series of complicated regional astrological tables.[7]


On July 14 1951 the FBI arrived at his laboratory:

"[They] proceeded to lay out each and every one of the strange machines in Mr. Dinshah’s clinic on his lawn. With Sledge hammers they smashed each one of them to pieces as the old man, his patients and his neighbors watched. Dinshah, who had spent a lifetime promoting a healthy vegan lifestyle and the healing through color was sentenced to three years in prison. To this day there remains a PERMANENT Federal injunction against the Spectro-Chrome"[8]

Despite this destruction, Ghadiali's ideas persisted and others developed specialized light therapies. A video demonstration of the Spectro-Chrome is available for viewing at Aetherforce.com.


  1. Passenger list of the S. S. Oceanic, Southampton to New York
  2. 1911 Census of England and Wales.
  3. Passenger list of the S. S. St. Paul, Southampton to New York
  4. Membership records on microfilm. Blue Ledger Series No. 2. Theosophical Society in America Archives.
  5. Christoper Turner, "The Kingpin of Fakers," Cabinet No. 18 (Summer 2005). Available at Cabinet.
  6. Christoper Turner, "The Kingpin of Fakers," Cabinet No. 18 (Summer 2005). Available at Cabinet.
  7. Christoper Turner, "The Kingpin of Fakers," Cabinet No. 18 (Summer 2005). Available at Cabinet.
  8. "The Return of Spectro-Chrome: The Most Suppressed Medical Technology Ever" Aetherforce. Available at Aetherforce.