An antibody is a protein used by the immune system to identify and neutralise foreign objects like bacteria and viruses. Each antibody recognises a specific antigen unique to its target. Production of antibodies is referred to as the humoral immune system.
Rudolf Ludwig Carl Virchow was born on October 13, 1821 in the town of Schivelbein, in the German Kingdom of Prussia. Today the town is called Åwidwin and lies in Poland. His father was Carl Christian Siegfried Virchow, a farmer, and town treasurer of Schivelbein; his mother was Johanna Maria Hesse.
Another answer Rudolf Christian Karl Diesel, a German inventor who was born in France, invented and patented a new kind of internal combustion engine in Augsburg, Germany. It was given the name Diesel engine because he invented it. It ran under its own power for the first time in Augsburg, Germany on 10 August 1893. George Stephenson (9 June 1781 - 12 August 1848) a British civil engineer and mechanical engineer who built the first public railway line in the world to use steam locomotives and is known as the Father of Railways   Trevithick invented the first train, Stephenson the first public railway line.