[PAR] [TLE] Peter Madsen (inventor) [SEP] Peter Langkjær Madsen (] ; born 12 January 1971) is a Danish aerospace engineering enthusiast, "art engineer", submarine builder, entrepreneur, co-founder of the non-profit organization Copenhagen Suborbitals, and founder and CEO of RML Spacelab ApS. [PAR] [TLE] Danish UC submarines [SEP] The Danish UC submarines are a series of privately designed, built, and operated, subs by Peter Madsen and associates at Ubadsklubben Freya.
[PAR] [TLE] Peter Madsen ( inventor ) [ SEP ] Peter Langkjær Madsen ( ] ; born 12 January 1971 ) is a Danish aerospace engineering enthusiast , " art engineer " , submarine builder , entrepreneur , co - founder of the non - profit organization Copenhagen Suborbitals , and founder and CEO of RML Spacelab ApS. [PAR] [TLE] Danish UC submarines [ SEP ] The Danish UC submarines are a series of privately designed , built , and operated , subs by Peter Madsen and associates at Ubadsklubben Freya .
Danish UC submarines were built by the entrepreneur who is CEO of what company?
Danish UC submarines were built by the entrepreneur who is CEO of what company ?
RML Spacelab ApS
RML Spacelab ApS