Quality:

John H. Black - American Swedish radio astronomer. Article “John H. Black” in Swedish Wikipedia has 25.6 points for quality (as of July 1, 2025).
The article contains 13 references and 2 sections.
Since the creation of article “John H. Black”, its content was written by 4 registered users of Swedish Wikipedia and edited by 4 registered Wikipedia users in all languages.
The article is cited 5 times in Swedish Wikipedia and cited 5 times in all languages.
The highest Authors Interest rank from 2001:
- Local (Swedish): #21055 in February 2022
- Global: #1769289 in October 2009
The highest popularity rank from 2008:
- Local (Swedish): #231256 in September 2009
- Global: #4828530 in September 2009
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).