( Titov was also the first person to suffer space sickness ) .
The youngest person to fly in space is Gherman Titov , who was 25 years old when he flew Vostok 2 .
( Gherman Titov was also the first Gherman Titov to suffer space sickness ) .
The youngest person to fly in space is Gherman Titov , who was 25 years old when he flew Vostok 2 .