Bay Keramik (Ransbach-Baumbach, 1933-1998)
Bay Keramik is, of course, one of the giants of West-German pottery. Its interbellum production is not without interest, but especially its modernist designs and the items designed in the early 60s by Bodo Mans are much sought after.
See also Mark Hill, Fat lava. West German Ceramics of the 1960s & 70s, p.29-40.
Also M.P. Thomas, Deutsche Keramik und Porzellane der 60er und 70er Jahre, p.114-115, and Der "Fat Lava Stil" Deutsche Zierkeramik der Nachkriegsjahre, p.190-195; H. Makus, 50er Jahre Keramik, p.132-133, and Keramik der 50er Jahre. Ein Handbuch, p.110-113 and p.360-361.
Some links: W-G Keramiek blogspot; Keramiksammlung Bay; Fatlava-Schiedam Bay