 | Daniel Houghton was an Irish explorer and one of the earliest Europeans to travel through the... more » |
.jpg/234px-David_Thompson_(1770-1857).jpg "David Thompson") | David Thompson was a British-Canadian fur trader, surveyor, and map-maker, known to some native... more » |
 | Diego de Ordaz was a Spanish explorer and soldier. more » |
 | Sir Douglas Mawson OBE FRS FAA was an Australian geologist, Antarctic explorer and academic... more » |
