This disambiguation page is within the scope of WikiProject Disambiguation, an attempt to structure and organize all disambiguation pages on Wikipedia. If you wish to help, you can edit the page attached to this talk page, or visit the project page, where you can join the project or contribute to the discussion.DisambiguationWikipedia:WikiProject DisambiguationTemplate:WikiProject DisambiguationDisambiguation articles
Latest comment: 13 years ago1 comment1 person in discussion
I changed the order of the sections because they were not in alphabetical order —Preceding unsigned comment added by 83.165.186.232 (talk) 13:56, 2 January 2011 (UTC)Reply
Latest comment: 10 months ago1 comment1 person in discussion
This article seems to be too USA dominated. Pioneers are to be found all over the world and at all times. --Bduke (talk) 11:35, 21 June 2023 (UTC)Reply
