Dry Maal

1. A leading World War I flying ace and a recipient of Medal of Honour, he was a pioneer in the automobile industry and civil aviation. He founded a car company, bought the Indianapolis Motor Speedway in 1927 and worked for General Motors in late 1940’s. Who? Also, to capitalize on his distant relation to this fighter ace, a certain Adolph also formed a guitar company on his name.
2. Two quotes, one by Mark Twain: "What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so." and one by Upton Sinclair : "It is difficult to get a man to understand something when his salary depends upon his not understanding it." are referred to in a critically acclaimed and popular movie. Which one?
3. The following is the marketing campaign for the official merchandise of a famous band:
The new X condoms are the perfect romantic accessory for all true metal couples. Whether you are looking to spice things up in the bedroom or meet somebody new after the show, X condoms will do the trick. Now, you are ready for any chance meetings that turn into unexpected friendships. Now you can not only say F**k The World, you can do it as well.
4.A Custom-made guitar made by the Gibson Guitar Company for X, who started a band Y. The guitar is unique as it has 13 strings, and its name also gives us the name of the band Y.