Elon Musk and Bill Gates. Two entrepreneurs whose projects have changed the world forever and brought attention to global issues in our society. They are both business titans with a total state worth of over $300 billion.

WASHINGTON (AP) — Elon Musk on Saturday doubled down on his distaste for President Donald Trump’s sprawling tax and spending cuts bill, arguing the legislation that Republican senators are scrambling to pass would kill jobs and bog down burgeoning industries.

Bill Gates could have been the world's first trillionaire if he hadn't sold his Microsoft shares and dedicated billions to philanthropy. Forbes estimates his stake, adjusted for splits, would be worth $1.