::I have incorporated these references and an additional secondary history ref in a new section called "Significance". [[User:Johnjbarton|Johnjbarton]] ([[User talk:Johnjbarton|talk]]) 03:50, 14 July 2024 (UTC)
:::@[[User:Kurzon|Kurzon]] Please stop changing the lead sentence without discussion. It is inappropriate per sources and personally rude in my opinion. [[User:Johnjbarton|Johnjbarton]] ([[User talk:Johnjbarton|talk]]) 16:13, 21 July 2024 (UTC)
==Dalton's was the first==
{{ping|Johnjbarton}} I don't want to be pedantic, but Dalton's model of the atom was the first. It had atomic weights, which is not much but ''something''. [[User:Kurzon|Kurzon]] ([[User talk:Kurzon|talk]]) 21:44, 13 July 2024 (UTC)
:I have previously discussed this issue under [[Talk:Plum_pudding_model#Lead_sentence_is_inappropriate |Lead_sentence_is_inappropriate.]] [[User:Johnjbarton|Johnjbarton]] ([[User talk:Johnjbarton|talk]]) 03:48, 14 July 2024 (UTC)
::You're good at physics, not so much prose. [[User:Kurzon|Kurzon]] ([[User talk:Kurzon|talk]]) 13:49, 22 July 2024 (UTC)
:::How about this as the first sentence:
:::* The plum pudding model was the first scientific model of the atom with internal structure.
:::This simple declarative sentence notes the historical significance of the topic. Dalton's model did not have internal structure. [[User:Johnjbarton|Johnjbarton]] ([[User talk:Johnjbarton|talk]]) 18:01, 22 July 2024 (UTC)