# Holger Nohr

> German librarian

**Wikidata**: [Q1244212](https://www.wikidata.org/wiki/Q1244212)  
**Source**: https://4ort.xyz/entity/holger-nohr

## Summary
Holger Nohr is a German librarian, university teacher, and business informatician recognized for his work at the intersection of library science and computer technology. Born in Hamburg in 1961, he specializes in information management and informatics. He maintains a professional presence in the academic and library sectors, contributing to the digital organization of information.

## Biography
- **Born:** July 17, 1961, in Hamburg, Germany
- **Nationality:** German
- **Education:** Specific degrees and institutions are not listed in the provided source material.
- **Known for:** Work in library science, information management, and informatics.
- **Employer(s):** Not specified in the provided source material.
- **Field(s):** Library Science, Informatics, Information Management, Computer Science
- **Occupations:** Librarian, University Teacher, Business Informatician, Computer Scientist

## Contributions
Based on the provided structured data, Holger Nohr’s professional contributions span the disciplines of library science, informatics, and information management. As a university teacher and business informatician, he engages in the practical application and study of computational systems, particularly regarding data storage, retrieval, and the organizational information lifecycle.

His work is documented across numerous international authority control systems, including the German National Library (DDB), the Library of Congress, and the Bibliothèque nationale de France, indicating a recognized impact on global cataloging and information science standards. He maintains a digital presence through his professional website and social media, engaging with the community on topics related to his expertise. Specific titles of publications or built systems are not detailed in the provided source text.

## FAQs

### Q: What are Holger Nohr's primary professional fields?
A: His primary fields of work include library science, information management, and informatics, with a specific focus on computational systems for data storage and retrieval.

### Q: Is Holger Nohr active on social media?
A: Yes, he maintains a Mastodon profile under the handle `holgernohr@troet.cafe`, where he has been active since October 2022.

### Q: What is Holger Nohr's academic background?
A: While specific degrees are not listed in the source material, he is classified as a university teacher, business informatician, and computer scientist, indicating advanced expertise in these areas.

## Why They Matter
Holger Nohr represents the modern convergence of traditional library science and digital informatics. His professional classification as both a librarian and a business informatician highlights the evolution of information management from physical cataloging to complex digital lifecycle organization. By operating at the intersection of these fields, his work supports the systematic classification and retrieval of data essential to both academic research and industrial application. His recognition across multiple international library authorities (such as VIAF, ISNI, and GND) confirms his standing as a verified contributor to the global body of knowledge in information science.

## Notable For
- **Interdisciplinary Expertise:** Holding professional roles as a librarian, computer scientist, and business informatician.
- **International Recognition:** Possessing authority records in major global libraries, including the Library of Congress (n97037019), the German National Library (1222736543), and the Vatican Library.
- **Information Management:** Specializing in the organizational lifecycle of information and data retrieval systems.
- **Digital Presence:** Maintaining a verified personal website and Mastodon presence for professional discourse.

## Body

### Professional Background
Holger Nohr was born on July 17, 1961, in Hamburg, Germany. He has established a career defined by multidisciplinary involvement in information and technology. His officially recognized occupations include librarian, university teacher, business informatician, and computer scientist.

### Fields of Work
Nohr’s activities center on three main pillars:
*   **Library Science:** The systematic classification and organized collection of information.
*   **Informatics:** The study of computational systems, specifically those focused on data storage and retrieval.
*   **Information Management:** Organizational activities concerning the lifecycle of information.

### Digital Footprint and Identifiers
Holger Nohr maintains a verified online presence through his personal website (`holgernohr.net`) and a Mastodon account (`holgernohr@troet.cafe`), which he joined in October 2022. His professional identity is cataloged under several unique identifiers, reflecting his integration into global academic and library systems:
*   **GND ID:** 1222736543
*   **VIAF ID:** 2621211
*   **ISNI:** 0000000061450006
*   **ORCID/Local IDs:** Includes identifiers from the National Library of Poland, Yale (LUX), and BIBSYS.

## References

1. Czech National Authority Database
2. International Standard Name Identifier
3. Virtual International Authority File