1) That should be 'are'. It's just a mistake. 2) Diesel is named after the inventor of that type of engine, Rudi Diesel. We still call Euler 'oy-ler' where the

1) That should be 'are'. It's just a mistake. 2) Diesel is named after the inventor of that type of engine, Rudi Diesel. We still call Euler 'oy-ler' where the expected pronunciation may be 'you-ler'. I don't see any inconsistencies there :-) Morpheus and Zeus aren't German names, so you wouldn't expect English speakers to pronounce them in a German style, right?