H.M.

Henry Molaison - American memory disorder patient (1926–2008). Article “H.M.” in Italian Wikipedia has 15.6 points for quality (as of July 1, 2026). The article contains 4 references and 10 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.82 points.

This article has the best quality in Malay Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “H.M.”, its content was written by 54 registered users of Italian Wikipedia and edited by 734 registered Wikipedia users in all languages.

The article is cited 77 times in Italian Wikipedia and cited 841 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #568 in December 2008
• Global: #2528 in December 2008

The highest popularity rank from 2008:

• Local (Italian): #35523 in December 2008
• Global: #12284 in December 2009

There are 24 language versions 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, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Malay (ms) Henry Molaison		60.3994
2	English (en) Henry Molaison		59.8086
3	Ukrainian (uk) Генрі Молісон		51.2654
4	German (de) Henry Gustav Molaison		49.0513
5	Thai (th) เฮนรี กุสตาฟ โมไลสัน		44.107
6	Turkish (tr) Henry Molaison		41.4724
7	Spanish (es) Henry Molaison		35.2404
8	Korean (ko) 헨리 몰래슨		33.1383
9	Estonian (et) Henry Molaison		29.9411
10	Hebrew (he) הנרי מולייסון		29.4621

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "H.M." in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Henry Molaison		3 145 178
2	Spanish (es) Henry Molaison		250 735
3	German (de) Henry Gustav Molaison		207 794
4	Italian (it) H.M.		198 250
5	Japanese (ja) HM (患者)		197 514
6	French (fr) HM (patient)		152 517
7	Polish (pl) Henry Gustav Molaison		72 062
8	Russian (ru) Молисон, Генри		66 520
9	Chinese (zh) 亨利·莫萊森		64 261
10	Dutch (nl) HM (patiënt)		52 142

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "H.M." in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Henry Molaison		6 730
2	German (de) Henry Gustav Molaison		736
3	Japanese (ja) HM (患者)		625
4	Spanish (es) Henry Molaison		508
5	Italian (it) H.M.		507
6	French (fr) HM (patient)		421
7	Chinese (zh) 亨利·莫萊森		390
8	Russian (ru) Молисон, Генри		294
9	Polish (pl) Henry Gustav Molaison		248
10	Portuguese (pt) Henry Molaison		228

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "H.M." with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Henry Molaison		271
2	German (de) Henry Gustav Molaison		128
3	French (fr) HM (patient)		69
4	Italian (it) H.M.		54
5	Dutch (nl) HM (patiënt)		26
6	Japanese (ja) HM (患者)		23
7	Chinese (zh) 亨利·莫萊森		15
8	Polish (pl) Henry Gustav Molaison		14
9	Russian (ru) Молисон, Генри		13
10	Swedish (sv) Henry Molaison		13

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "H.M." with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Korean (ko) 헨리 몰래슨		2
2	Arabic (ar) هنري مولاسون		1
3	Czech (cs) Henry Molaison		0
4	Danish (da) Henry Molaison		0
5	German (de) Henry Gustav Molaison		0
6	English (en) Henry Molaison		0
7	Spanish (es) Henry Molaison		0
8	Estonian (et) Henry Molaison		0
9	French (fr) HM (patient)		0
10	Galician (gl) Henry Molaison		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "H.M." with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Henry Molaison		277
2	Arabic (ar) هنري مولاسون		124
3	Chinese (zh) 亨利·莫萊森		84
4	Italian (it) H.M.		77
5	Turkish (tr) Henry Molaison		61
6	Dutch (nl) HM (patiënt)		46
7	Korean (ko) 헨리 몰래슨		28
8	French (fr) HM (patient)		23
9	German (de) Henry Gustav Molaison		20
10	Czech (cs) Henry Molaison		18

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#	Language	Value
ar	Arabic هنري مولاسون
cs	Czech Henry Molaison
da	Danish Henry Molaison
de	German Henry Gustav Molaison
en	English Henry Molaison
es	Spanish Henry Molaison
et	Estonian Henry Molaison
fr	French HM (patient)
gl	Galician Henry Molaison
he	Hebrew הנרי מולייסון
it	Italian H.M.
ja	Japanese HM (患者)
ko	Korean 헨리 몰래슨
ms	Malay Henry Molaison
nl	Dutch HM (patiënt)
no	Norwegian Henry Molaison
pl	Polish Henry Gustav Molaison
pt	Portuguese Henry Molaison
ru	Russian Молисон, Генри
sv	Swedish Henry Molaison
th	Thai เฮนรี กุสตาฟ โมไลสัน
tr	Turkish Henry Molaison
uk	Ukrainian Генрі Молісон
zh	Chinese 亨利·莫萊森

Best Rank

Italian: #35523 12.2008

Global: #12284 12.2009

Best Rank

Italian: #568 12.2008

Global: #2528 12.2008

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Italian Wikipedia the most popular articles on that day were: Fraternità sacerdotale San Pio X, Jeff Ekhator, Alessandro Bastoni, Marcel Lefebvre, Campionato mondiale di calcio 2026, Marcatori del campionato mondiale di calcio, Campionato mondiale di calcio, Kylian Mbappé, Michael Olise, Sadio Mané.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information