1887. Commenced work in 1893 with Dr. Graham Bell, and later,

Herring and Chanute. In May, 1896, he flew a large steam-driven model tandem monoplane--the _Langley_ type. Author of _Experiments in Aero Dynamics_ and other aerial classics. LANZ (Karl), Lachnerstrasse 18, Mannheim, Germany. Wealthy patron of aviation in Germany. Giver of the L2000 Lanz prize won by Grade. Financed the _Schuette_ dirigible. LAROCHE (Madame la Baronne Raymonde de). The first lady aviator. Pilot Ae. C. F. 36. Purchased a _Voisin_ in the summer of 1909 and entered for International events. Badly injured in an accident at Reims, July, 1910. In 1913, took up flying again. LATHAM (Hubert), 7 Rue Rembrandt, Paris. Of English descent one side. Pilot 9 Ae. C. F. Director of the _Antoinette Cie_. Attempted to fly the Channel, 1909. (1) in _Antoinette IV_. (2) in _Antoinette VII_. (3) in August, 1910. Maker of many records. Killed by a buffalo, 1912. LA VAULX (Comte Henri de), 2 Rue Gaston de St. Paul, Paris. Born 1870. Chev. Leg. d'Hon. Vice-President Ae. C. F., and one of its promoters. Founder and Vice-Pres. of the F.A.I. Took up aeronautics in 1900, since when he had made over 250 ascents. Record holder for "gas bags." Owner of a _Zodiac_ dirigible in 1909-10. LEBAUDY (Robert), 12 Rue de Lubeck, Paris. Sugar refiner. Member Ae. C. F. Founder of the _Lebaudy Dirigible Cie_. LE BLANC (Alfred), 17 Rue Lakanal, Paris. Born 1869. Aeronaut in 1904. Winner of the _Circuit d' l'Est._, Aug., 1910. LE BLON (_late_). Frenchman. Born 1875. Killed in a _Bleriot_ at S. Sebastien, 2nd April, 1910. LEFEBVRE (Eugene). French aviator. Killed on a _Wright_, 7th September, 1909, at Juvissy. LEGAGNEUX. In December, 1910, made a flight of nearly 6 hours, at Pau, (322 mile--53 m.p.h.) average, in a _Bleriot_. LESSEPS (Comte Jacques de), 11 Avenue Montaigne, Paris. Well-known aviator in the early days. LEVAVASSEUR. Known in France as "Pere Levavasseur." Chief engineer of the Antoinette Works and _deus ex machina_ of the type. He severed his connection early in 1910, but rejoined in June, 1910, and remained as long as the company existed. LEVE (Pierre), 17 Rue Cassette, Paris. Editor of _La Revue Aerienne_, official organ of _La Ligue Nat. Aerienne_. LILIEUTHAL (Gustav), 5 Marthastrasse, Gross-Lichterfelde, Germany. Brother of the late Otto Lilieuthal, whose work he has carried on. Author. LILIEUTHAL (Otto, the _late_). German subject. Began his interest in aviation when 15 years old. In 1889 published his _Bird Flight as a Basis of the Flying Art_, the result of 25 years observation of sea-gulls and storks. In 1891 he made glider flights. In 1895 he produced a biplane glider. On 12th Aug., 1896, he was killed while experimenting. Lilieuthal was the fountain head of modern aviation. LINKE (Dr. Franz), Kettenhofweg 181, Frankfurt, Germany, Scientist. Born