The famous storm chaser that was killed was Tim Samaras, along with his son Paul Samaras and his colleague Carl Young.
Tim Samaras, his son Paul Samaras and his colleague Carl Young died when they were chasing a tornado in El Reno, Oklahoma on May 31st 2013.
The storm chaser and his son and colleague were members of the TWISTEX team, which is a group that is dedicated to tornado research.
The El Reno, Oklahoma tornado was the widest tornado on record and took the lives of 8 people, including the 3 storm chasers.
Tim Samaras was known for his cautious approach to storm chasing and also his dedication to scientific research, according to a report from ABC News.
His son Paul and his colleague Carl Young were also experienced storm chases.