LOUIS PASTEUR This framed handwritten letter was signed by the microbiologist and was sent to a boy who he treated for an illness Autograph Letter Signed: "L. Pasteur". One page. 3¾x4¾. Paris, January 21, 1888. On letterhead imprinted with his initials to "My dear child". In French, translated. In full: "I beg your father to allow me the pleasure of answering his letter of 13 January by writing directly to you. How saddened I was to learn you were still suffering from the wound to your arm. Tell me when it will be completely healed with scar. Your general health is, however, good. That is most essential and I rejoice with your parents and friends and hope you count me among them. Please receive, my dear child, the assurance of many many good wishes which I send you for your good health and happiness.". Pasteur sent this letter to a boy he had treated for rabies with an experimental vaccination. Louis Pasteur (1822-1895) was a chemist and biologist who is considered one of a handful of the most important pioneers of microbiology. read more...

SAMUEL F.B. MORSE He signs a glowing (1854) autograph letter, enthusiastically recommending his former assistant Otis Wood to any prospective employer. Framed in a Gallery of History display to 36x22 ALS: "Sam. F.B. Morse," 1½ pages, 7½x9¾. Po'keepsie, 1854 February 3. To Otis E. Wood, Esq., Utica. In full: "Most happy shall I be, if by a simple letter of mine, I can render you or your worthy brothers any service. Your brother Orrin S. Wood was my first Telegraph pupil, after the first (the experimental) line was established between Washington & Baltimore. He will undoubtedly recollect my predictions at that time, for him, that having taken the enterprize at its very commencement, and made himself thus early master of all that pertained to it, he would have an experience, possessed by no other, which would enable him to command any position he might choose, not only one of usefulness but I believed also of fortune. I am gratified in believing that he has attained a position, at least of well earned competence if not of fortune, which he richly deserves for his high and honorable personal character, as well as his eminent Skill & perseverance. read more...

LOUIS CHEVROLET Extremely rare letter written as President of the Chevrolet Aircraft Corporation to an Assistant Engineer at Pitcairn Field in Willow Grove, Pennsylvania. Typed Letter signed: "Louis Chevrolet" as President of the Chevrolet Aircraft Corporation, 1¼p, 8½x11, separate sheets. Baltimore, Md., 1930 November 18. On company letterhead to Walter C. Clayton, Asst. Engr., Pitcairn Aircraft, Pitcairn Field, Willow Grove, Pennsylvania. In part: "In regard to the first paragraph of your letter, we do not know exactly how much of a head the gasoline tank should have over the carburetor float, not having tried anything of the kind, but should judge that a minimum of six to eight inches would work satisfactorily on climbing. In level flight you probably will have plenty of gas head, and we are sending you a new blue print showing you where the float level is...As stated before, we have never contemplated using the Haywood Starter, but if it fits your scheme we will send a cylinder head to the Sky Specialties Company of Detroit and have them advise us the best place to put a boss in our cylinder head for the installation of their starter. read more...

THOMAS A. EDISON The famous inventor penned a section of answers on this questionnaire! Printed Questionnaire filled out by an assistant who has signed: "Thomas A. Edison" at the conclusion, but with 11 words in Edison's hand, 1p, 7¾x10½. J.K. Macomber, Professor of Physics at the Physical Laboratory Agricultural College in Ames, Iowa, sent Edison and other authorities in the field, a printed questionnaire, dated September 27, 1879. Macomber message, in part: "The people of the Western States have been imposed upon by lightning-rod peddlers more, perhaps, than by any other class of swindlers. Among other rods being sold in Iowa is one known as the 'Chambers' rod, widely has been patented by the 'Chambers' National Lightning Protection Company,' of Cincinnati, Ohio. Briefly, this system consists on an Iron rod running along the ridge of the building with points at each end projecting upward…Many public buildings in thus State have been furnished with these rods…I beg leave to submit the following interrogations." Macomber lists seven questions for Edison to answer. read more...

GATLING TELLS COLT PATENT FIRE ARMS THAT THE STATE OF NEW YORK "HAS SENT TWO GATLING GUNS HERE FOR REPAIRS"   RICHARD J. GATLING. TLS: "R.J. Gatling", 1p, 8½x11½. Hartford, Conn., 1885 April 14. As President, on stationery of The Gatling Gun Company. To Colt's Patent Fire Arms Manufacturing Company, Hartford. In full: "The Chief of Ordnance, State of New York, advises us that he has sent two Gatling Guns here for repairs, and that if anything is needed in the way of appendages or spare parts, that he be furnished with a list of the same, before he gives the order for them. As soon as the guns are received, please put them in good working order, and furnish us with a list of the articles required as above." Exactly 20 years before this letter was written, John Wilkes Booth shot President Lincoln with a Derringer pistol. Twelve days later, U.S. Cavalry Sgt. Boston Corbett shot Booth with a Colt revolver. By the 1850s, Richard J. Gatling (1818-1903) had become wealthy from agricultural inventions such as machines for sowing rice and wheat. read more...

PIERRE CURIE A week after he and his wife Marie Curie were awarded the Nobel Prize in Physics for their work in radiation, he sets up a meeting with the Dean of the Science Department at the Sorbonne; he was only 47 when he was killed in a traffic accident three years later. ALS: "P. Curie", 1p, 4½x5½. Paris, Friday (1903 December 18). In French, fully translated. Paris Express Letter postmarked Paris, December 18, 1903 to Paul Appel. Addressed by Curie to: "Mr. Appel, Dean of the Faculty of the Sciences, Sorbonne". "Sorbonne" has been crossed out and "17 rue Bonaparte" is added in another hand. In full: "I have just seen Mr. Brusson and I have arranged a meeting for Monday morning at 11:00 at his house 29 rue Lauriston. If this time is convenient to you, I will come and pick you up by car Monday morning at 10:15 at the Sorbonne or at your house if you prefer." On verso, where the address, printed stamp and postmarks appear, Curie has penned his name and return address: "Curie/108 Rd Kellerman" read more...

SAMUEL F.B. MORSE One year before his first successful telegraph message, Morse signs an autograph letter to Treasury Secretary John Spencer, explaining that the cost of preparing the wire will be $10 more than his previous estimate. He'll still come in under budget! ALS: "Saml F.B. Morse", 1 page, 8x10. New York, 1843 May 1. To Secretary of the Treasury John C. Spencer. In full: "In my letter of the 29th ulto accompanying the contracts for the Telegraphic Wire, and the expenses of covering, I left a blank in the former which I observed was to be filled with a sum not exceeding 24 cents pr.lb. I have this moment heard from Paterson, and am enabled to fill the said blank with 22 cents. This varies the expense of Preparation of the Wire as given in my letter to the Department of 26th ulto from $1900 to $1910 - making the contracts for this part of the work of $690 less than the original estimates, instead of $700 - as therein stated." Samuel Finley Breese Morse (1791-1872), a portrait painter and a founder and first President of the National Academy of Design (1826-1845, 1861), interested himself in the possibilities of a magnetic telegraph in 1832. He developed the Morse Code for use in the telegraph instrument. read more...

SAMUEL F.B. MORSE He signs an autograph letter (1854) to Samuel Colgate requesting proxy votes from him, apparently to forestall a hostile takeover. ALS: "Saml. F.B. Morse", 1 page, 7¾x9¾. Po[ugh]'keepsie, New York, 1854 June 21. To businessman and philanthropist Samuel Colgate. In full: "Will you and your brother give me your proxies in blank as below for the next meeting of the Stockholders of the New York Albany and Buffalo Teleg Co. We wish to be prepared against an intrigue of the pirates. I will explain more fully when I see you." Beneath his letter, Morse has written the sample form he mentions. In full: "We hereby constitute [blank] to be our proxy to vote our Stock at the next annual meeting of the N. York, Albany & Buffalo Telegraph Company. New York June [blank] 1854". Note at bottom, probably by Colgate: "Ans 24 June/54...." In 1844, SAMUEL F.B. MORSE (1791-1872) had successfully sent the first telegraph message, "What hath God wrought!", from Washington, D.C. to Baltimore. In this letter, the "pirates" Morse mentions are probably Hiram Sibley and Judge Samuel L. read more...

ALBERT EINSTEIN. TLS: "A.E.", 1p, 8x9½. Le Coq-sur-mer, 1933 May 4. To L.M. Ettlinger, Brussels. In German, with translation. In full: "I shall be very pleased to see you Saturday, the 6. May in the Fondation Universitaire, rue d'Egmont 11 in Brussels between four-thirty and five o'clock in the afternoon.-By the way I already initiated steps, some weeks ago, on behalf of Mr. Lasareff to get his German visa". Albert Einstein (1879-1955) developed the theories used to build models of the universe. Einstein's first major contribution, the "Special Theory of Relativity", was published in 1905. The "General Theory of Relativity" followed in 1916. He won the Nobel Prize in Physics in 1921 "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect". Written from his temporary home on the Belgian coast less than five weeks after Einstein renounced his German citizenship and resigned from the Prussian Academy of Sciences. When Hitler came to power in January 1933, Einstein's property was seized and a price put on his head. His books were among those burned publicly on May 10, 1933, six days after this letter was written. read more...