Guido Bianconi was born in Siena, where he trained at the Sienese Academy under Sarrocchi. After winning the Lazzarotti Prize, he moved to Turin where he probably established contact with Bistolfi and his studio, since 1903. He soon became Bistolfi's modeller and worked in some of the major monuments of that time (i.e. the monuments of Carducci in Bologna and of Garibaldi in Savona). Thanks to the reference of Bistolfi, in 1908 he obtained an important civic work from the city of Vercelli, for which he realized the Monument of Carlo Alberti. In occasion of Turin 1911 he was asked to work on the Pavilion of Festivals and Concerts; there, with the collaboration of the sculptor Cesare Biscarra, he designed the huge quadrigas gracing the main facade.

Cesare Biscarra studied art and sculpture at the "Accademia Albertina". He specialized in bronze sculptures, and in 1891 created a bronze bust of King Victor Emmanuel II. He participated in national and international Art Exhibitions (Turin 1894, 1896; Venice 1905, 1907, 1910). In particular, in occasion of Turin 1911 he was asked to work on the Pavilion of Festivals and Concerts; there, with the collaboration of the sculptor Guido Bianconi, he designed the huge quadrigas gracing the main facade.

Giacomo Buzzi Reschini was a Turinese sculptor. As student of Leonardo Bistolfi, he attended the Royal Albertine Academy of Turin, while he worked with the Milanese artists Butti and Pogliaghi. In Turin, he became well-known after participating in the two Exposition of Fine Arts in 1909 (with the famous portrait of a young girl titles "Stella Alpina") and 1911 (in this occasion he won the gold medal for sculpture). The Turin World's Fair Committee asked him to work on the decorative statues of the Pavilion of Music (specifically, on the entire frieze of the dome) and the Pavilion of Argentina (the majestic prancing horses and the two genies in the "pronao"). Others valuable works of him can be found in the Palazzo del Governatorato della Città del Vaticano and in the Collegio Boemo in Rome.

On the occasion of Turin 1911, Domenico Ernesto Smeriglio was in charge of the external decorations of the Pavilion of Festivals and Concerts, as well as of other buildings. Born around 1865-1870, he mainly worked on still life paintings; he joined the group exhibits at Promotrice dell'Arte in Turin in 1920 (with decorative drawings) and in 1935 (with some still life paintings). (E.Bellini, "Pittori piemontesi dell'Ottocento e del primo Novecento")