John O'Sullivan BE, BSc(Hons), Dip PM, CEng MIEI, PMP, FSP,CMSE® studied Electrical Engineering at University College Cork. He has over 20 years' experience in the automation and control sector delivering solutions to the life-science industry in Ireland. He is a Chartered Engineer with Engineers Ireland, a Project Management Professional with the Project Management Institute and a certified Functional Safety Professional. He has always had a fascination with aviation and space, leading him to gain his PPL in 2003 and to study Astronomy and Planetary Science with the Open University. In 2017, he was awarded a Degree in Astronomy and Planetary Science by the OU, in addition to receiving a Diploma in Project Management from the Cork Institute of Technology in 2016.

His earlier book, In the Footsteps of Columbus, European Missions to the International Space Station, was published in 2016. He has also had several articles published in BIS Spaceflight magazine and inIreland's Engineers journal. He lives in East Cork with his wife and daughter.

Describes in painstaking detail the life and contributions of European Space Agency visitors to the International Space Station

Balances the US-Russian dominance of literature concerning human spaceflight

Highlights the diversity and collaborative nature of the European space goals, represented by the astronauts who have flown to the ISS