Sir Thomas Button (died April, 1634) was a Welsh officer of the Royal Navy and explorer who in 1612–1613 commanded an expedition that unsuccessfully attempted to locate explorer Henry Hudson and to navigate the Northwest Passage. It was, nonetheless, a voyage of discovery and Thomas Button was an explorer as well. Button sailed from England about the beginning of May 1612, in two ships; Resolution and Discovery and reached the mouth of a river which he named the Nelson after a member of the ships company who had died. They wintered at what is now known as Port Nelson and the next year headed north to search for the Northwest Passage. They lost the Resolution to sea ice and continued on to 65° North. He discovered and named Mansel Island and returned to England in September 1613. He is cred