Question: Who is older, Bertalan Farkas or Umberto Guidoni? 

Context paragraphs:
Unite the Left: Unite the Left ("Unire la Sinistra") was a minority faction within the Party of Italian Communists (PdCI), a political party in Italy.  Its leaders included former minister Katia Belillo and MEP Umberto Guidoni.

Umberto Guidoni: Umberto Guidoni (born in Rome 18 August 1954) is an Italian astrophysicist, science writer and a former ESA astronaut, being the first European to visit the International Space Station.  He is a veteran of two NASA space shuttle missions.  He was also a Member of the European Parliament (MEP) from 2004 to 2009, elected within the Party of Italian Communists.

Gene Mako: His father, Bartholomew Mako (Hungarian: "Makó Bertalan" ), graduated from the Budapest Academy of Fine Arts in 1914.  He started to work as a draftsman for his mentor Viktor Madarász.  He was an avid soccer player himself.  He fought in World War I.  After the war, he left Hungary with his wife, Georgina Elizabeth Farkas Mako (Hungarian: "Makó Farkas Erzsébet Georgina" ) and only son, traveling first to Italy, then stopping for three years in Buenos Aires, Argentina, before settling in Los Angeles, California.  There he created works for public places like churches, libraries and post offices.  Gene attended to the Glendale High School and the University of Southern California although he was offered a Hungarian University Scholarship in the meantime.  He quit before graduation.

Princess Maria Pia of Bourbon-Parma: Princess Maria Pia of Bourbon-Parma (née Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie-José of Belgium.  She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.

Bertalan Farkas: Bertalan Farkas (born August 2, 1949) is the first Hungarian cosmonaut and the first Esperantist in space.  He is currently the president of Airlines Service and Trade.  With Charles Simonyi's travel, Farkas is no longer the only Hungarian who has been to space (he is still the only astronaut, as Simonyi flew as a space tourist).

Supporting paragraphs: Bertalan Farkas Umberto Guidoni
Answer: Bertalan Farkas