Sir Thomas Hill Easterfield was a New Zealand chemist. Born in Doncaster, England, he was the youngest of four children of Edward Easterfield, savings bank secretary, and Susan. He attended Doncaster Grammar School, and later entered the Yorkshire College of Science, now the University of Leeds. He was then appointed a Senior Foundation Scholar of Clare College, Cambridge, from where he gained First Class honours in the Natural Sciences Tripos in 1886.