Finding Direct-Collapse Black Holes at Birth
  Direct-collapse black holes (DCBHs) are currently one of the leading
contenders for the origins of the first quasars in the universe, over 300 of
which have now been found at $z >$ 6. But the birth of a DCBH in an
atomically-cooling halo does not by itself guarantee it will become a quasar by
$z \sim$ 7, the halo must also be located in cold accretion flows or later
merge with a series of other gas-rich halos capable of fueling the BH's rapid
growth. Here, we present near infrared luminosities for DCBHs born in cold
accretion flows in which they are destined to grow to 10$^9$ M$_{\odot}$ by $z
\sim$ 7. Our observables, which are derived from cosmological simulations with
radiation hydrodynamics with Enzo, reveal that DCBHs could be found by the
James Webb Space Telescope at $z \lesssim$ 20 and strongly-lensed DCBHs might
be found in future wide-field surveys by Euclid and the Wide-Field Infrared
Space Telescope at $z \lesssim$ 15.
