very influential in the development of astronomy in Mexico, not only by virtue of his own astronomical research but also by promoting the development of new institutions. In a more important aspect he defined modern astrophysical research in Mexico where he gave impulse to different initial lines of research and established general scientific policies. Guillermo Haro discovered a new type of large planetary nebula with Hawaiian colleague George Herbig - that were named Herbig-Haro objects. Haro became a member of the Colegio Nacional at age 40, the youngest person to do so. In 1959, Haro became the first person elected to the Royal Astronomical Society from Mexico. Amongst his students were Silvia Torres-Peimbert and Manuel Peimbert. Haro founded the Mexican Academy of Sciences (first president 1960) and the National Institute of Astrophysics, Optics and Electronics (an observatory named after him is in the state of Sonora). Recognition Galaxy Haro 11 (H11) is a small galaxy situated in the southern constellation of Sculptor and is named after Haro who first included it in a study published in 1956. The Guillermo Haro International Program on Advanced Astrophysical Research at INAOE, which was created in August 1995, was named after him. On 21 March 2018, 105 years after his birth, Google featured Haro in a Google Doodle. Personal life In 1968, Haro married journalist and writer Elena Poniatowska, with whom he had two children: Felipe and Paula. He was previously divorced from his first wife, Gladys Learn Rojas. Haro died on 27 April 1988 in Mexico City, and is interred at the Rotonda de las Personas Ilustres of the Panteón Civil de Dolores. See also Guillermo Haro Observatory References External links Guillermo Haro Observatory In Spanish. Guillermo Haro International Astrophysics Program 1913 births 1988 deaths Members of El Colegio Nacional (Mexico) Mexican astronomers People from Mexico City National Autonomous University of Mexico alumni Harvard University staff 20th-century astronomers Recipients of the Lomonosov Gold Medal Foreign Fellows of the Royal Astronomical Society