Super Sunday 2.0

A once said that the character B was based on C, a vastly influential and acclaimed director. C’s nephew D dropped his famous surname and adopted his present surname inspired by the Marvel comics character E. F once worked as a carpenter in A’s home, and A eventually cast him as B and then G – two characters which have become cultural icons . F acted in the 2010 movie H, which is based on the book I by J. J is one of the few people of Indian origin to have ever won the prestigious K.

The name of the band L comes from a word (let’s say 'α'), which was made popular by its notable usage in the book M, by American nuclear strategist N. L is among those artists who have had numerous Grammy nominations over the years, but zero wins so far. N, along with three other people is an inspiration for the title character in the classic black comedy O.

P was invented by electrical engineers working at Q in 1973 and was named after R, once popularly believed to be the medium for propagation of light through space. R eventually was proven to be wrong and gave way to the modern physics concepts of S and T. S has been studied, researched and propagated by U, arguably the most famous living scientist in the world. U met V, co-founder of W at a conference in 1997. V saw U using a ‘machine’ made by W’s competitors X upon which he asked 'how would you like a real computer?’. Since then, W has been the developer of the ‘machine’ used by U, who remains a close friend of V. 

A to X please. 24 entries. +5 for each. 

Please post all answers in one comment.