Dr. Gerhard Paul Julius Thiele (born September 2, 1953) is a German physicist and a former ESA astro...

Robert Brent Thirsk, OC OBC (born August 17, 1953) is a Canadian engineer and physician, and a forme...

Gherman Stepanovich Titov (Russian: Герман Степанович Титов; 11 September 1935 – 20 September 2000) ...

Vladimir Georgiyevich Titov (Russian: Владимир Георгиевич Титов; born 1 January 1947 in Sretensk, Za...

Michel Ange-Charles Tognini (born September 30, 1949 in Vincennes, France) is a French test pilot, B...

Valeri Ivanovich Tokarev (Russian: Валерий Иванович Токарев; born October 29, 1952) is a Russian Air...

Sergei Yevgenyevich Treshchov (Сергей Евгеньевич Трещёв, born 18 August 1958) is a former cosmonaut ...

Bjarni Valdimar Tryggvason (born September 21, 1945) is an Icelandic-born Canadian engineer and a fo...

Vasily Vasiliyevich Tsibliyev (Russian: Василий Василиевич Циблиев); born on February 20, 1954) is a...

Mikhail Vladislavovich Tyurin (Russian: Михаил Владиславович Тюрин) (born March 2, 1960) is a former...