25th Anniversary Edition of Lennie\'s Guide.
The first Lennie Lightwave\'s Guide to Fiber Optics was published in 1994 by FOTEC, the Fiber Optic test equipment company behind the Fiber U conferences, as a simple, easy to understan.
He was so popular his creators used Lennie for many other training tools also, printed and online, Lennie has been called the most famous guy in Fiber optics.
Lennie Lightwave was the cartoon mascot created for the original FOTEC "Fiber U" training conference in 1993. 25th Anniversary Edition of Lennie\'s Guide