# Ralf S. Klessen

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/ralf-s-klessen/

## Facts

| Field | Value |
| --- | --- |
| Citations | 35,734 |
| Field | Astrophysics and Star Formation Studies |
| h-index | 98 |
| i10-index | 474 |
| Last Known Institution | Heidelberg University |
| OpenAlex ID | https://openalex.org/A5062809181 |
| ORCID iD | https://orcid.org/0000-0002-0560-3172 |
| Works | 1,020 |

## Researcher papers

- [Titans of the early Universe: The Prato statement on the origin of the first supermassive black holes](https://scholariq.org/papers/titans-of-the-early-universe-the-prato-statement-on-the-origin-of-the-first/)

## Researcher topics

- [Astrophysics and Star Formation Studies](https://scholariq.org/topics/astrophysics-and-star-formation-studies/)
- [Stellar, planetary, and galactic studies](https://scholariq.org/topics/stellar-planetary-and-galactic-studies/)
- [Galaxies: Formation, Evolution, Phenomena](https://scholariq.org/topics/galaxies-formation-evolution-phenomena/)
- [Astronomy and Astrophysical Research](https://scholariq.org/topics/astronomy-and-astrophysical-research/)
- [Astro and Planetary Science](https://scholariq.org/topics/astro-and-planetary-science/)

## Researcher university

- [Heidelberg University](https://scholariq.org/institutions/heidelberg-university/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.