Lawrence Sperry Lawrence Sperry Lawrence Burst Sperry (21 December 1892, Chicago, Illinois, United States – December 13, 1923, English Channel) was an aviation pioneer. He was the third son of the gyrocompass co-inventor, Elmer Ambrose Sperry and his wife Zula. Sperry invented the first autopilot, which he demonstrated with startling success in France in 1914. Sperry is also credited with developing the artificial horizon still used on most aircraft in the early 21st century. On 13 December 1923 Sperry took off amid fog in a Verville-Sperry M-1 Messenger from the United Kingdom headed for France but never reached his destination. His body
Church of the Holy Virgin Mary of Lourdes Church of the Holy Virgin Mary of Lourdes The Church of the Holy Virgin Mary of Lourdes () is a Roman Catholic church in Kraków, Poland, dedicated to Our Lady of Lourdes. It was founded by the Lazarists, and built in 1892–1894 at ul. Misjonarska 37 street in the district of Krowodrza. It has been a parish church since 1923. In interwar Poland, a polyphonic choir was established by the congregation in 1932. The Mariański Choir has attracted international acclaim for a number of years. The corner-stone for the construction of the church was laid on June 25, 1892, although