Nate "nnenn" Nielson was a father, husband, artist and teacher. He also popularised the "Vic Viper" LEGO spaceships that took the AFOL community by storm. He died in an accident early this month. A few of my favourite nnenn designs:
It's really hard to pick favourites of nnenn's work. It was all so imaginative and clever. Take a few minutes today to browse his Flickr stream. Nielson had such a knack for LEGO spaceships.