Of notability, Max Mathews, considered by many to be the founding father of computer music, used among others, a DDP-224 and a DDP-24 computer to develop his GROOVE music system, as related by Professor Barry Vercoe in a 1999 MIT Media Lab interview.
Altenhain joined the German Democratic Party (DDP) in 1918 and remained with it during the merger with the Young German Order in 1930.
Battle Hawaii 2003 and 2004 were significant points in HCW's history as the promotion undertook some brave business ventures in cross-promoting itself with New Japan Pro-Wrestling in Battle Hawaii 2003 with the appearances of Masahiro Chono, Yuji Nagata, Jushin "Thunder" Liger, and Tiger Mask IV and with Battle Hawaii 2004 with the appearances of Sting, DDP, Rikishi, and The Great Muta.