1.
a scientist who specializes in chemistry
2.
a health professional trained in the art of preparing and dispensing drugs
3.
a retail shop where medicine and other articles are sold
Ivory soap slogan "99-44/100% Pure" was cleverly invented by Harley Proctor who with the help of chemists determined that Ivory soap was only 56/100 pure. Proctor simply subtracted 56 from 100 and came up with "99-44/100% Pure".