John Scudder Sr.

: 12 One day, while visiting a patient, he saw on a table the pamphlet Conversion of the World, or the Claims of the 600,000,000 and the Ability and Duty of the Churches Respecting Them.

[citation needed] Upon leaving Ceylon for India, he turned over the medical missionary leadership at Batticotta to Nathan Ward.

Winslow started a mission at Madras with the purpose of establishing a printing press to issue the Scriptures and tracts in the Tamil language.

He was in the United States in 1842-1846 and returned to India in 1847 where he spent two years in Madura giving medical aid to the Arcot Mission at the special request of the Board though not appointed as a member of it.

He took a visit for the benefit of his health to Wynberg, Cape of Good Hope, Africa where he died on January 13, 1855.