Which producer created 'Happy Days' and 'Laverne & Shirley'?

Which producer created 'Grey's Anatomy' and 'Scandal'? Which producer created the 'Law & Order' franchise? Which producer co-created 'The Big Bang Theory' and 'Two and a Half Men'? Which producer created 'All in the Family' and 'The Jeffersons'? Which writer created 'The West Wing'? In 'The West Wing', which actor played President Josiah Bartlet? In 'All in the Family', what is the name of the bigoted father played by Carroll O'Connor? In 'The Honeymooners', what is Ralph Kramden's job?