"The first person to enter MIR was Leonid Kizim on Soyuz 15"<br /><br />No.<br /><br />"Soyuz T-15". The Soyuz 15 spacecraft was launched in a failed mission in the early 70s to dock to Salyut 3/Almaz.<br />Soyuz T-15 was the last Soyuz T spacecraft, and it used the descent vehicle of Soyuz T-10 A , refurbished.