Enrico Rastelli was probably the greatest juggler the world has ever known. Juggling involves throwing (0) ........ number of objects up into the air and catching them (13) ........ dropping a single one. Rastelli was able to juggle (14) ........... many as eight balls at the same time. However, (15) ........ made him a genius was his perfect style, rather (16) .......... the quantity of objects he (17) ........ juggle. Rastelli's contributions to juggling were many. He started using rubber balls (18) ........ of the cotton balls that were (19) ........ use at the time. These rubber balls are now standard. It was Rastelli, too, who began the now commonly seen practice (20) .......... throwing a ball into the air, and then catching (21) ........ on a stick held in his mouth. Enrico Rastelli was born into a circus family in Siberia in 1896. Although he spent some of his early years in Italy, it (22) ........ in Russia that he acquired his juggling skills. It was not uncommon (23) .......... him to practise twelve hours a day, and this dedication was reflected in his astonishing performances. The degree of control shown (24) .......... Enrico Rastelli has never been equalled.