In his landmark volume Space, Time and Architecture, Sigfried Giedion paired images of two iconic spirals: Tatlin's Monument to the Third International and Borromini's dome for Sant'Ivo alla Sapienza. The values shared between the baroque age and the modern were thus encapsulated on a single page spread. As Giedion put it, writing of Sant'Ivo, Borromini accomplished 'the movement of the whole pattern ...] from the ground to the lantern, without entirely ending even there.' And yet he merely 'groped' towards that which could 'be completely effected' in modern architecture-achieving 'the...