Question: Samantha Cristoforetti and Mark Shuttleworth are both best known for being first in their field to go where? 
Sentence (from "Samantha Cristoforetti"): She holds the record for the longest uninterrupted spaceflight of a European astronaut (199 days, 16 hours), and until June 2017 held the record for the longest single space flight by a woman until this was broken by Peggy Whitson.
Relevant evidence: No