Lamberto Leoni is a former racing driver from Italy. He participated in five Formula One World Championship Grands Prix, failing to qualify for three of them. He scored no championship points.
Leoni in 1974
Ensign was a Formula One constructor from Britain. They participated in 133 grands prix, entering a total of 155 cars. Ensign scored 19 championship points and no podium finishes. The best result was a 4th place at the 1981 Brazilian Grand Prix by Marc Surer, who also took fastest lap of the race.
The N173, Ensign's first Formula One car, being driven at Silverstone in 2012.
An Ensign N177 being raced in a Historic Grand Prix at the Lime Rock Park circuit in 2009.
The N180 at the Pavilion Kuala Lumpur