Rabbi Shlomo Yitzhaki (1040 - 1105), was a medieval French rabbi famous as the author of a commentary on the Talmud, as well as a commentary on the Hebrew Bible. Rashi had the ability to present the basic meaning of the text in a concise and clear fashion.
Akiva ben Joseph simply known as Rabbi Akiva, was a Rabbi of the latter part of the 1st century and the beginning of the 2nd century. He was a great authority in the matter of Jewish tradition, and one of the most central and essential contributors to the Mishnah. He is referred to in the Talmud as "Rosh la-Chachamim" Head of all the Sages.
Shammai (50 BCE–30 CE) was a Jewish scholar of the 1st century, and an important figure in the Mishnah. Shammai was the most eminent contemporary of Hillel, and is almost invariably mentioned along with him in the Mishna. Shammai founded a school of his own, known as the Bet Shammai.
Hillel (born c.110 BCE, died 10 CE in Jerusalem) was a famous Jewish religious leader, one of the most important figures in Jewish history. He is associated with the development of the Mishnah and the Talmud. Famous within Judaism as a Rabbi and scholar, he was the founder of the House of Hillel.