Well, thanks to todays main google page I have happily discovered the history making works of Ludwig Mies van der Rohe.
Shown below is the 'Farnsworth House'.
Built in 1951 in Illinois, the home is preserved in all its glory under The National Trust and Landmarks, Illinois. The website describes the home as follows:
“Every physical element has been distilled to its irreducible essence. The interior is unprecedentedly transparent to the surrounding site, and also unprecedentedly uncluttered in itself. All of the paraphernalia of traditional living –rooms, walls, doors, interior trim, loose furniture, pictures on walls, even personal possessions – have been virtually abolished in a puritanical vision of simplified, transcendental existence. Mies had finally achieved a goal towards which he had been feeling his way for three decades."
And yes, he is the creator of the incredibly popular 'Barcelona' chair:


