Moments like this refer explicitly to modern wars in the Middle East, suggesting that prolonged combat, and its toll on the human spirit, is the play's primary point of contact with recent American experience.
And this is not to mention the traditionalist, sometimes explicitly anti-modern portrait painters who, far from the art world's main drag, continue to depict politicians as if nothing ever changes: witness Tony Blair as a glowering headmaster, or David Cameron as though painted by John Singer Sargent on a bad day.
It does not explicitly refer to modern controversies.
The Museum of Modern Art (MoMA) in New York City, the outstanding public collection in the field, was founded in 1929, and the Western capital that lacks a museum explicitly devoted to modern art is rare.
A long piece from 1899, entitled "Supplementary Essay: The One, the Many, and the Infinite" and appended to the first volume of The World and the Individual, marks his first effort to support his philosophical theses using ideas explicitly drawn from modern logic and mathematics.
But Edward Durell Stone was attempting the near impossible, a synthesis of modernism with ideas the modern movement explicitly rejected.
Whether explicitly acknowledged or not, modern building design is strongly influenced by fire safety considerations.
Darwin explored these themes and the replacement of the extinct cavy by the modern species explicitly in his February 1835 essay (Darwin 1835a).
All biological species including those of birds are represented by a holotype, the vast majority of which are full specimens (mostly skins) and in modern times explicitly designated in the original description of the taxon.
Systems biology was invented at the same time as the Modern Synthesis, explicitly by Ludwig von Bertalanffy and in many respects also implicitly by Sewall Wright, in the 1930s.
