Description: (Russian Retired Cosmonaut: Ranks Third for the Most Time Spent in Space)
Soviet and Russian mechanical-engineer and retired cosmonaut Sergei Krikalev who spent 803 days, 9 hours and 39 minutes in space over the span of six spaceflights held the record of spending most time in space before his record was surpassed by Gennady Padalka on June 28, 2015. At present Krikalev ranks third in the list after Padalka and Yuri Malenchenko.