Good people deserve an obituary. Great people receive unending obituaries. Ratan Tata (or RNT, as he is popularly called) was clearly one in the latter category. For someone like me who was fortunate enough to work with him, observe him in meetings, and interact with him, it was a masterclass in humble leadership. This is exactly what separates him from so many other successful tycoons. Tata Motors was one company …