(AGI) Rome, Feb 24 - Italian actor Alessandro Gassman posted apicture of himself on Twitter wearing a woollen hat, withclenched fist and the words "Never stop fighting", in thanksfor the best wishes received on Tuesday, his 50th birthday. Hislife has been lived in the spotlight since his big screen debutin 1982 at the age of 17, in the autobiographical film "Dipadre in figlio" (From father to son). Today, AlessandroGassman is one of Italy's most popular actors with a vastcatalogue of works including film, television and also theatre.As well as currently appearing in cinemas with the comedy "Innome del figlio" (In the name of the son) Gassman also works asan ambassador for UNHCR, the UN agency for refugees. (AGI) . .