Kyongae Chang

{{short description|South Korean astrophysicist}}

Kyongae Chang ({{ko-hhrm|hangul=장경애}}, born September 5, 1946) is a South Korean astrophysicist. She is best known for her work on gravitational lensing, including the Chang-Refsdal lens.

Chang was born in Seoul. She graduated Sungkyunkwan University and worked as a research associate on astrometric binaries with Professors van de Kamp and Heintz at Sproul Observatory from 1969 till 1971. From 1975 until 1980 she worked on a Dr. rer. nat. at Hamburg University, graduating with her work on the Chang-Refsdal lens.{{cite book|title=Sterne über Hamburg |last=Schramm |first=Jochen |isbn=978-3-9811271-8-8 |publisher=Kultur- und Geschichtskontor |location=Hamburg |year=2010 |language=German}} The main result was published in Nature in 1979 immediately after the discovery of the first gravitational lens.{{cite journal|title=Flux variations of QSO 0957+561 A, B and image splitting by stars near the light path |first1=K. |last1=Chang |first2=S. |last2=Refsdal |journal=Nature |volume=282 |issue=5739 |date=December 6, 1979 |pages=561–564|bibcode = 1979Natur.282..561C |doi = 10.1038/282561a0 |s2cid=4325497 }}

She returned to Korea in 1985 and became a professor at Cheongju University.{{Citation needed|date=September 2016}}