HUCKS (B. B.) British aviator. Has made several fine exhibition flights on a _Blackburn_. First man to make the double journey across the Bristol Channel, also to carry out wireless telephone experiments with aeroplane. HUNTINGDON (Prof. A. K.), 14 Buckingham St., Charing Cross, London, W.C. Born 1856. Balloon expert, 1906-1908. Connected with the _Dunne_ machines. Member of the R. Ae. C. Committee, 1910-11. HURLBERT (Dr. Dane), Vermont, Lucerne, Switzerland. U.S.A. citizen. Experimenter in original types of aeroplanes, 1909-11 ILLNER. First man to fly in Austria, which he did on an _Etrich_. ISSATIER. French private soldier who obtained three weeks' leave and secured his flying certificate at Betheny after fourteen days, in a _Deperdussin_. ISENDAHL (Walther). German. Holsteinstrasse 21, Berlin-Wilmersdorf. Leading authority on aerial and boat motors. JANE (Fred T.), The Hill, Bedhampton, Hants, England. Naval author, founder and editor of _All the World's Air-craft_. JANNUS (Antony). American. Well-known aviator. JATHO (Karl), Stader Chausse 22, Hanover, Germany. Born 1873. Pioneer aviator from 1893. Has built various machines--none very satisfactory. JEANNIN (Emil), Berlin. Prominent German aviator. JEFFERIES (Dr. John). 1760-1820 _about_. American. Accompanied Blanchard in the first balloon voyage across the English Channel, 1784. JENKINS (F. Conway). In May, 1911, obtained his certificate (74) after only four flights on a _Roe_ biplane. JOHNSTONE (St. Croix). American aviator. 27th July, 1911, beat American duration records in a flight of 4 hours, 1 minute, 54 seconds. Distance 176 miles. Killed 1911. JONES (Ernest L.), 250 West 54 Street, New York. Editor of _Aeronautics_ (U.S.A.) JOSEF FERDINAND (Grand Duke of Austria). Enthusiastic aeronaut and moving spirit in aviatory matters in Austria. JOYNSON-HICKS. British M.P. who has specialised in endeavouring to advance aviation. JULLIOT (Henri), 3 Rue de Flandre, Paris. Born 1855. Chev. Leg. d'Hon. Technical director of the _Lebaudy_ works. Originator of the _Lebaudy_ type of dirigibles. Designer of _Lebaudy_ aeroplane. Member of Committee Ae. C. F. KAPFERER (Henry), 26 Rue de Clichy, Paris. Chev. Leg. d'Hon. Director of the _Astra_ Cie, and the Cie Gen. Transaerienne. Part designer of the Clement-Bayard dirigibles. Took an early interest in the aeroplane movement, and had a biplane built to his own design by Voisins in 1907. Also had an early monoplane about the same date or a little later. On Committee Ae. C. F. KASSNER (Carl), Wilhelmstr. 10, Berlin. Professor, German writer on technical aviation matters. KENNEDY (Rankin), British authority on aviation subjects. KENNEDY. St. Petersburg. British subject. Engineer who has studied aviation for many years. In 1911, was an honorary aerial adviser to the Russian Government on matters aerial.