PIERRE (Petit). Frenchman. The _late_ secretary of Bleriot School at Hendon. Assassinated at Hendon, August, 1911, by a Swiss pupil named Hanot, who went insane at not learning to fly so quickly as he had expected. PILCHER (_late_ Percy S.) Born 1866. British naval engineer. Commenced glider experiments, 1895, on Lilieuthal lines. Designed a power machine in 1899, but was killed in glider experiments before it was completed. PIXTON (H.) British R. Ae. C. pilot 50. Qualified at Brooklands, January, 1911, on a triplane. Has since done some very fine flights on an _Avro_, taking various prizes. PISCHOFF (Alfred de), 12 Rue Amiral de Joinville, Paris. In conjunction with Koechlin was a pioneer of French aviation. In December, 1907, he flew a kilometre on a biplane. His earliest machine was practically a large box kite with a motor fitted. In 1910 produced a monoplane of his own design. He is an Austrian resident in France. POPPER (Josef). Austrian. Concerned with aviation, etc., ever since 1872. POLLOCK (C. F.) Prominent supporter of aviation. Member of the R. Ae. C. Committee, 1910-11. PONNIER. Frenchman. Director of the Hanriot Company. PRANDTL (Dr. Ludwig). Prinz Albertstrasse 20, Goettinger, Germany. Born 1875. Leading Figure in German aerial circles. Connected with the _Parseval_ design. PREVOST (M.) French. Created world's record on December 2nd, 1911, by reaching a height of 9,800 feet at Rheims. PRIER (Pierre). Made London-Paris in 3 hours, 56 minutes, 12th April, 1911. Designer to the _Bristol_ Co., 1911. QUEROZ (the _late_). Brazilian. Killed at S. Paulo, June, 1911, in a monoplane of his own design. QUIMBY (Miss Harriet). Mineola, U.S.A. First American lady to qualify for aviator certificate, 1st August, 1911. Used a _Moisant_. Killed 1912. QUOIKA (Haupt. Emanuel), Margarethenstrasse 16, Vienna. Aeronaut from 1904. Now aviator and writer on subject. RADLEY (James). Well-known British aviator, flying a _Bleriot_. Patented a special wing. Represented Great Britain in the 1910 Gordon Bennett. At Lanark, 1910, broke the world's then speed record, and did 75 miles per hour. Pilot R. Ae. C. 12, June 14th, 1910. August, 1911, flew the Channel in 22 minutes; Calais to Folkestone. Subsequently embarked on construction. RAYNHAM (F. R.) British subject. Flew 7 hours, 30 mins. competing for the Michelin Cup. Used an _Avro_ fitted with a 60 horse Green. REISSNER (Dr. Ing. Hans), Lutticherstrasse 166, Aachen. Born 1874. Professor on matters aerial. RELTICH. French. Cyclist who succeeded in getting an avietter to fly one metre, October, 1912. Won the Dubos prize. RENARD (_late_ Colonel). In association with Krebs built a dirigible in 1884, with electric motor. Killed.