The answers can all be found in the sleepy village of Killyleagh on the shores of Strangford Lough.
Born in Killyleagh on April 16 1660, he lived and studied in the village until he was 19.
Fascinated with collecting things, as a boy Hans began to gather rocks, shells, and plants from the shores of the lough.
One man determined to remind the people of Northern Ireland about "their famous son", however; historian Clive Scoular.
Dressed in his bespoke velvet period costume and wig, Clive relives the boyhood days of the eminent physician and botanist.
Every little place here has got a story,” Clive, who the locals often address as "Sir Hans", told me.
:: For tickets and further information visit visit www.hanssloane.com. To register your interest in joining the walking tours, email [email protected]. »
