Until Calvin furnished these the principal inspiration came from Luther, but Zwingli and the other German and Swiss reformers were influential.

More and more, Lefevre and his school sank into the background.
For a time it seemed that the need of leadership was to be supplied by William Farel.

His learning, his eloquence, and his zeal, together with the perfect safety of action that he found in Switzerland, were the necessary qualifications.

The need for a Bible was at first met by the version of Lefevre, printed in 1532.

But the Catholic spirit of this work, based on the Vulgate, was distasteful to the evangelicals.
Farel asked Olivetan, an excellent philologist, to make a new version, which was completed by February 1535.