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Louis Cassier (1862-1906) of the Louis Cassier Co
Publisher of Cassier’s Engineering Magazine
American journalist who was born in 1862 in Boston.
Cassier worked for a Boston newspaper, and later in the New York office of the Illustrated London News.
After establishing his illustrated engineering monthly in November, 1891, in New York, he arranged about three years later to bring out a London edition.
In 1903, Cassier bought the ailing Electrical Age and was in the process of rejuvenating that magazine when, in 1906, he was killed in a wreck of the London and Southampton boat train while returning home from one of his many visits to England.
Henry Harrison Suplee (1856-post 1943), an engineering graduate (University of Pennsylvania, 1876), translator of Reuleaux’s machine-design test, and sometime editor of Engineering Index was editor from 1906 to 1912.
1906 Obituary 
The appalling disaster on the South-Western Railway at Salisbury, in the early hours of Sunday morning last, claimed among its victims Mr. Louis Gassier, of the Louis Cassier Company, Limited, and editor of the magazine bearing his name.
Mr. Gassier was only just forty-three, having been born in Boston, Mass., in June, 1863, and everyone believed and hoped that he had many years of active and useful life ahead of him.
He was connected with several of the learned societies in England and in America, being an associate member of the Iron and Steel Institute, and an associate of the Institution of Electrical Engineers, and of its American contemporary, as well as a member of the American Society of Mechanical Engineers, and an Associate of the Institute of Junior Engineers.
By his wide circle of friends Mr. Cassier will be remembered chiefly by his personal attributes. He was an interesting companion, an excellent host, and had one of the kindest and most generous natures. Mr. Cassier was not accompanied by his wife, who is at present in New York, and we believe we are right in saying that the whole engineering profession will sympathise with her in her grievous loss under such painful circumstances.
Mr. Cassier died in the infirmary into which he was admitted in an unconscious state.
1906 Obituary 
LOUIS CASSIER died on Sunday morning, July 1, 1906, as the result of a disaster which occurred on that date to an express train on the South-Western Railway, at Salisbury. He was forty-three years of age, and was born in Boston, Massachusetts, in June 1863.
At the age of fifteen he left his native city and became identified with the business of publishing, and secured a position of prominence in the field of engineering publications. In November 1891 be published the first issue of Cassier's Magazine, in New York, and in 1894 the London edition of this periodical made its appearance.
In 1899 the English business was made into a limited company under the style of the Louis Cassier Company, Limited. In 1903 Mr. Cassier acquired the Electrical Age, a magazine published in New York. He was a member of several of the learned societies in England and in America.
He was elected a member of the Iron and Steel Institute in 1903.
1907 Obituary 
LOUIS CASSIER was among those killed in the disastrous accident on the London and South-Western Railway at Salisbury on July 1, 1906.
He was born in Boston, Massachusetts, in 1863, and was well known as the founder and publisher of Cassiers Magazine, the first issue of which appeared in New York in 1891.
Three years later the London edition of this periodical began to be published, the English business being converted into a limited company in 1899.
He also took over in 1903 the Electrical Age, a monthly magazine published in New York.
He was connected with several of the learned and technical societies in England and America, and was elected an Associate of the Institution of Electrical Engineers in 1905.