Samples of the correspondence Credit: Courtesy of the Mendelianum, Brno, Czech Republic. On New Year's Eve, 1866, Gregor Mendel wrote to the prominent Swiss botanist Carl Nägeli to tell him about his ...

From a small shop in Birmingham to an internationally loved chocolate - check out these images spanning almost 100 years of the Birmingham company’s history stretching back to 1842 Cadbury’s ...