Linked from

The 14 pages that link to Harvard College Observatory, each with the reason it gives.

• Cepheid variableRelated: Leavitt’s photographic plate work there led to the discovery of the Cepheid period–luminosity relation.

• Cecilia Payne-GaposchkinRelated: Payne joined its research community and built her career there.

• Henrietta Swan LeavittRelated: Leavitt carried out her photographic stellar research at this observatory.

• Women in astronomyRelated: Its hiring of women calculators shaped both astronomical research and women’s employment in science.

• Harvard ComputersNarrower topic: The observatory employed the computers and housed the plates, instruments, and research program.

• Harlow ShapleyRelated: Shapley conducted much of his research there and later directed it.

• Henry Draper CatalogueNarrower topic: Its observing and computing programs created and published the catalogue.

• Period–luminosity relationRelated: Leavitt made the photographic observations and comparisons there.

• Williamina FlemingNarrower topic: Fleming spent her professional career there, working with its expanding photographic archive.

• Antonia MauryNarrower topic: Maury conducted her stellar spectroscopy and classification there.

• Edward Charles PickeringNarrower topic: Pickering directed the observatory for more than four decades and shaped its research priorities.

• Spectral typeRelated: Its observing and cataloging program produced the classifications later used worldwide.

• Ejnar HertzsprungRelated: Its spectral surveys provided data central to the classification system Hertzsprung used.

• Zhang YuzheRelated: Zhang worked there during his early career in the United States.