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Published online by Cambridge University Press: 27 October 2016
The Hubble Frontier Fields, together with other cluster lensing surveys with Hubble, have revealed hundreds of high-redshift (z≳6) dropout galaxy candidates. We summarize recent efforts taken to spectroscopically follow up magnified high-redshift galaxies behind those clusters and in the field, including our detection of Lyα emission from a redshift z=8.68 object.