G.D.Naidu (1893 – 1974) was an eminent inventor and industrialist from Coimbatore, India. What’s interesting about this inventor is he never studied more than the primary level! In fact, even at an young age, he hated the system so much that the threw mud in the face of his teachers (Twice. Back then, there were no slates but one needed to write using fingers on sand). So, naturally he was sent out of school and perhaps that should have been a very happy incident for our young G.D.Naidu! It seems he was quite mischievous during his early years and he is even believed to have lit a whole stack of hay which was kept over a cart, just for fun The G.D.Naidu museum and industrial exhibition in Coimbatore contains an impressive collection of various electrical/electronic/scientific devices and gadgets that has been in existence since very early years to the recent times. In fact, one visit to this museum would make you familiar with the different types of film cameras, projectio...