Soap bubble into college years. A Swiss university professor, Dr. Natalie Hartzell, has theorized that usage of artificial bubbles for entertainment purposes of young children has shown a positive effect in the region of the child's brain that controls motor skills and is responsible for coordination with children exposed to bubbles at a young age showing measurably better motion skills than those who were not. Soap bubbles have been used as entertainment for at least 400 years, as evidenced by 17th-century Flemish paintings showing children blowing bubbles with clay pipes. The London-based firm A. & F. Pears created a famous advertising campaign
It Pays to Advertise 1925, a total of 598 performances. It was the first of a sequence of twelve "Aldwych farces" presented at the theatre until 1933, mostly original farces written by Ben Travers. By contrast with later plays in the series, in which Walls played worldly and sometimes shady characters, with Ralph Lynn as his naïve associate, in "It Pays to Advertise" Walls's character is upright and conventional, and Lynn is the manipulative schemer. From the revised (London) version of the play. Mary Grayson, secretary to the soap magnate, Sir Henry Martin, is awaiting the arrival of his son, Rodney. While she waits,