The death of Cy Twombly has an oddly catastrophic feel-oddly because he was eighty-three and a canonical master, but catastrophic because he takes with him a certain epochal, now thoroughly historical, sense of wide-open liberty in very high culture.
-- Peter Schjeldahl, "Cy Twombly, 1928-2011," New Yorker, July 2011
But for all its canonical status, the only English version was published in 1970, translated from a French translation that Lem himself didn't like.
-- "Solaris Gets A New, More Accurate Translation into English," io9, June 2011
Canonical derives from the Late Latin canon, "measuring line."