Born in Rome in 1876. Cambellotti achieved his first artistic skills at the workshop of his father Antonio, who was a wood carver and decorator. He completed his education during several trips to Naples, Istanbul, and Athens. He worked in an independently and made objects, lamps, and jewels in the Art Nouveau style for Italian and International companies, as well as advertising posters. Between 1901 and 1902, he made black and white illustrations for the Divine Comedy, edited by Vittorio Alinari of Florence, and started to collaborate with important artistic and cultural magazines. He met Severini, Boccioni, Grassi, and Bottazzi, but shared above all, socialist ideas with Alessandro Marcucci and the writers Cena and Aleramo. He would organize the Agro Romano exhibition at the Universal Exhibition in 1911 in Rome with those he shared socialist ideas with. After having met Ugo Falena, the director of the Teatro Stabile of Rome, he began a series of theatrical activities such as costumes, scenes, illustrations, and set designs. Moreover, he executed some decorative projects for private residences. He also collaborated with publishing houses. Up to 1948 he made costumes and posters for the main theatre works of the Greek theatre of Syracuse. After the end of the war he returned to sculpture and made his most important creations (1918-1920). His first solo exhibition took place at the Bottega d'Arte Moderna of Rome. He continued experimenting in the decorative art field and kept his activities of set designer and wardrobe assistant. In 1930 he was elected Academician of San Luca. He died in Rome in 1960.