Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,337 pages of information and 233,846 images on early companies, their products and the people who designed and built them.
of The Cocoa Works, Wigginton Road, York
1869 He was joined by his brother the philanthropist Joseph Rowntree
1933 Black Magic was launched.
1936 Maltesers were introduced.
1948 Introduced Polo Mints.
Rowntree was responsible for such British chocolate favourites as Kit Kat, Smarties, Aero, Fruit Pastilles and Black Magic.