Introduction (including about the European roads to particle colliders).- Touschek came from Vienna.- The road from Norway: Rolf Wider e and the Strahlentransformator.- Touschek and Wider e during WWII: between Hamburg and Berlin.- Bruno Touschek in Germany after the War: 1945-46.- Becoming a theoretical physicist in Glasgow: 1947-1952.- A Laboratory on the hills: Frascati and the Italian road to particle accelerators.- Bruno Touschek in Rome: January 1953-June 1959.- Touschek's revolutionary proposal and the construction of a matter-antimatter ring in Frascati.- The French connection: from Frascati to the Linear Accelerator Laboratory at Orsay.- Bruno Touschek and Carlo Bernardini with AdA in Orsay.- Epilogue: After AdA.