...ignoring the achievements of previous civilian space walkers, including Kathleen Rubins, Peggy Whitson, Fyodor Yurchikhin, Sergey Ryazansky, Joseph M. Acaba, Andrew J. Feustel, Sergey Prokopyev, Christina Koch, David Saint-Jacques, Oleg Kononenko, Jessica Meir, Sergey Kud-Sverchkov, Pyotr Dubrov, Thomas Pesquet, Akihiko Hoshide, Thomas Marshburn, Matthias Maurer and Denis Matveev.