They met in 1980s when Melinda joined Bill's Microsoft firm. Together they have 3 children.
They have run the Bill & Melinda Gates Foundation. The organization has championed various causes including fighting infectious diseases and encouraging innoculations in children.
The Gates' - along with investor Warren Buffett - are behind the Giving Pledge, which calls on billionaires to commit to giving away the majority of their wealth to good causes.
According to Forbes, Bill Gates is at the number 4th spot when it comes to being wealthiest person in the world and his net worth is sitting at $124 billion.
He co-founded , Microsoft, the world's biggest software company in the 1970s that amassed him a fortune.
Transitioning from high school to college can be stressful for some students and to maintain connections with pre-college friends and form new relationships, Facebook can still be your best friend.
“We liked the wide open spaces, larger houses and the fact that our daughter, son-in-law and grandchildren seemed less stressed than their contemporaries in the U.K.,” says Tirithdas.
Nearly 50 years after man's first steps on the Moon, researchers have discovered a way that may help astronauts spending prolonged time in space come back to Earth on more stable footing.
The global sexual health community "needs to recognise that gonorrhoea is on the rise and that there should be an increased awareness of the risks of kissing as a route of transmission",