1. It was first described in 1905 by the Danish malacologist Rudolph Bergh.

2. 1 day ago · Chip Bergh is the president and Ceo of Levi Strauss & Co

3. The first teachers at the school were Mr Werner Cloete, Ms Hillian Roman and Mrs Anelet van den Bergh

4. A third category, R, was later suggested by Sidney van den Bergh for associations that illuminate reflection nebulae.