Timeus is about the structure of the world and similar stuff.
Critias is about a war between Atlantis and Athens.
You can read more here: http://en.wikipedia.org/wiki/Critias_(dialogue) and here: http://en.wikipedia.org/wiki/Timaeus_(dialogue)
Timeus
This one may be "all you" as Wikipedia and the House of Names websites have zip.
Critias
Timaeus and Critias.
The work Critias by Plato was left unfinished due to the death of the author and remains incomplete in its original form. It was intended to be a dialogue discussing the ideal society of Atlantis, providing insight into Plato's political philosophy.
They are Timaeus, Critias, and Hermos.
He told it in two of the Dialogues, "Timaeus," and "Critias," both of which were written in 360 BCE.
Diagoras, Gorgias, Protagoras, Antiphon, Prodicus, Critias of Athens, Hippias of Elis etc
Plato wrote about Atlantis in his works Timaeus and Critias, where he described it as an island powerful and advanced civilization that sank into the ocean. Plato likely drew inspiration from myths and stories circulating in ancient Greece, as well as his own philosophical contemplations about political systems and ideal societies. Atlantis is thought to be a literary invention rather than a factual place.
You can find a full English translation of Plato's "Critias" available for free on websites like Project Gutenberg and the Internet Archive. Both platforms provide access to various translations of classical texts, including those by well-known translators. Additionally, websites like Perseus Digital Library may offer the text alongside useful features for studying the dialogue.
Because that is the accepted convention. The hypotenuse is the longest side of a right triangle, the side opposite the right angle. The term comes from the Greek, hypoteinousa, meaning "to stretch", and was used by Plato in the Timeus 54d and by other ancient authors. For more information, please see the Related Link below.
Plato only wrote about Atlantis in two of his dialogues, "Timaeus" and "Critias." In these works, Plato describes Atlantis as a powerful island civilization that eventually sank into the sea.