This man's most famous work is printed in a script named for him and can be found on the side of the page closest to the binding in the text he wrote about.
This man wrote that the Torah should have begun with the commandment to observe the new moon.  A legend about the birth of this man tells that his father threw a jewel into a river rather than sell it to a Bishop who wanted it for an ornamental cross.  It is claimed by some that the Tosafot are strictly expansions to a commentary by this man, and much of the Tosafot were written by this man's sons-in-law and grandsons.  He studied under Yaakov ben-Yakar in Worms before returning to his hometown of Troyes. This man's most famous work is printed in a script named for him and can be found on the side of the page closest to the binding in the text he wrote about. For ten points, name this 11th century French rabbi who wrote a seminal early commentary on the Talmud.
This man wrote that the Torah should have begun with the commandment to observe the new moon.  
{Rashi} [accept: {Rabbi Shlomo Yitzchaki}; {Rabbi Shlomo ben Yitzchak}; {Rabbi Shlomo bar Yitzchak}; {Rabban shel Yisrael}; {Rabbenu sheYichyeh}]