| G. D. Naidu, an Indian inventor and businessman, was a self-taught engineer. | 
| He hailed from a family of farmers in Kalangal village, Coimbatore, Tamil Nadu. | 
| Leaving school in 3rd standard, he began his career at a ginning mill. | 
| His fascination with machines and automobiles started at the age of 16. | 
| Starting as a mechanic, he ventured into his transport business in 1920, establishing Universal Motor Service (UMS). | 
| UMS boasted India's initial bus junction. | 
| Naidu created over 90 gadgets, pioneering in electrical, mechanical, agricultural, and automobile engineering. | 
| He notably invented the ball pen, ball pen refills, and carbon paper among other innovations. | 
| Apart from engineering, he pursued photography and captured images of renowned personalities. | 
| His agricultural efforts included introducing new crop varieties. | 
| Engaged in philanthropy, he supported his employees and the underprivileged. | 
| Naidu set up Coimbatore's first polytechnic institute and engineering college. | 
| He is credited with inventing the world's first electric razor - the Rasant razor. | 
| His contributions earned him various awards and accolades. | 
| The Gedee Car Museum displays his assortment of vintage cars. | 
| Numerous awards and educational bodies pay tribute to his legacy. | 
| A biographical film about his life, featuring R. Madhavan, is in the works. |