Question: Who was born earlier, Georgi Ivanov or Roberto Vittori?

Context paragraphs:
Georgi Atanasov (politician): Georgi Ivanov Atanasov (Bulgarian: Георги Иванов Атанасов) (born 25 July 1933) was a leading member of the Bulgarian Communist Party who served as Prime Minister from 1986-1990.  Atanasov supported the move to oust Todor Zhivkov as Chairman of the State Council, joining Petar Mladenov in leading the opposition.  In November 1992 he was sentenced to ten years imprisonment for embezzlement, although he was released on health grounds in 1994.  He is currently the oldest living former prime minister of Bulgaria.

Georgi Ivanov (mayor): Georgi Ivanov Ivanov (born 1954) is the mayor of Haskovo, a municipality in southern Bulgaria.  He was elected to a four-year term in 1999, and re-elected in 2003, 2007 and again in 2011.

Georgi Ivanov (wrestler): Georgi Ivanov (Bulgarian: Георги Иванов ) (born November 11, 1989) is a Bulgarian freestyle wrestler.  He competed in the men's freestyle 74 kg event at the 2016 Summer Olympics, in which he was eliminated in the round of 16 by Jakob Makarashvili.

Georgi Ivanov (disambiguation): Georgi Ivanov (born 1940) is a Bulgarian cosmonaut and politician.

Georgi Naydenov: Georgi Ivanov Naydenov (Bulgarian: Георги Иванов Найденов ) (born July 19, 1927 – October 3, 1998) was a Bulgarian businessman and banker who was born in the small town of Strelcha, and became famous during the 1960s as the creator of the unique and successful economic experiment Texim.

Roberto Vittori: Roberto Vittori (born 15 October 1964 in Viterbo) is an Italian air force officer and an ESA astronaut.  After graduating from the Italian Accademia Aeronautica in 1989, Vittori flew in the Italian Air Force.  He then trained as a test pilot in the United States.

Marko Lerinski: Marko Lerinski (Bulgarian: Марко Лерински , "Marko of Florina"; 20 June 1862 – 13 June 1902) was the nickname of Georgi Ivanov Gyurov (Георги Иванов Гюров), also known as Georgi Geroyski or Marko Voyvoda, a Bulgarian military man and revolutionary.  A prominent member of the Internal Macedonian–Adrianople Revolutionary Organization (IMARO), Lerinski was the first person to propose a common anti-Ottoman uprising in Macedonia and Eastern Thrace.

Georgi Ivanov: Major general Georgi Ivanov Kakalov (Bulgarian: Георги Иванов Какалов ; born July 2, 1940) is a retired Bulgarian military officer and the first Bulgarian cosmonaut.  He was a member of the National Assembly of Bulgaria in 1990.

Aleksandr Panayotov Aleksandrov: Aleksandr Panayotov Aleksandrov (Bulgarian: Александър Панайотов Александров ) (born December 1, 1951, Omurtag, Targovishte Oblast, Bulgaria) is a retired Bulgarian cosmonaut.  He is the second Bulgarian to have flown to space, behind Georgi Ivanov.

Georgi Ivanov (footballer, born 1980): Georgi Ivanov (Bulgarian: Георги Иванов; born 13 March 1980 in Madan) is a Bulgarian footballer who plays as a defender for Hebar Pazardzhik.

Supporting paragraphs: Georgi Ivanov Roberto Vittori
Answer: Georgi Ivanov