Soap bubble for its soaps in 1886 using a painting by John Everett Millais of a child playing with bubbles. The Chicago company Chemtoy began selling bubble solution in the 1940s, and bubble solution has been popular with children ever since. According to one industry estimate, retailers sell around 200 million bottles annually. A bubble is made of transparent water enclosing transparent air. However the soap film is as thin as the visible light wavelength, resulting in interferences. This creates iridescence which, together with the bubble's spherical shape and fragility, contributes to its magical effect on children and adults alike. Each colour
John Guille Millais embraced horticulture, hunting including big game hunting and wildfowl. As a boy he made a collection of birds shot around the Perthshire coast of Scotland where he spent much of his childhood. This formed the basis of a lifetime collection of around 3,000 specimens that he later housed in a private museum in Horsham in West Sussex, England. Specimens from this collection were depicted by his father in his painting "The Ruling Passion" (also known as "The Ornithologist"). John Guille himself painted a bird in his father's painting "Dew-Drenched Furze". Millais began his career in the army with the Seaforth