Before revision: Timeline The BTV concept was born in a 1998 Ph.D. thesis by French engineer Fabrice Villaume , who became head of Airbus' BTV program and who holds patents on the process.FR.
After revision: Timeline The BTV concept was born in a 1998 Ph.D. thesis by French engineer Fabrice Villaumé , who became head of Airbus' BTV program and who holds patents on the process.FR.