Griff72
Chieftain
William Rowan Hamilton was Irish and he invented quaternions (where we get vector cross products from) and they are also used in 3D rotation, animation or camera control systems.
Bram Stoker, WB Yeats, Brian Boru, Oscar Wilde, Colin Farrell to name a few (OK scratch the last one!) - I think that earlier post was a joke, bloddy well better be!

