Arthur Johnston was a Scottish

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 poet

Poet

A poet is a person who writes poetry. A poet's work can be literal, meaning that his work is derived from a specific event, or metaphorical, meaning that his work can take on many meanings and forms. Poets have existed since antiquity, in nearly all languages, and have produced works that vary...

 and physician

Physician

A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

. He was born in Caskieben (later renamed Keithhall) near Inverurie

Inverurie

Inverurie is a Royal Burgh and town in Aberdeenshire, Scotland, approximately north west of Aberdeen on the A96 road and is served by Inverurie railway station on the Aberdeen to Inverness Line...

 in Aberdeenshire

Aberdeenshire

Aberdeenshire is one of the 32 unitary council areas in Scotland and a lieutenancy area.The present day Aberdeenshire council area does not include the City of Aberdeen, now a separate council area, from which its name derives. Together, the modern council area and the city formed historic...

. His father was an Aberdeenshire laird

Laird

A Laird is a member of the gentry and is a heritable title in Scotland. In the non-peerage table of precedence, a Laird ranks below a Baron and above an Esquire.-Etymology:...

, and his mother Christian Forbes was the daughter of the seventh Lord Forbes

Lord Forbes

Lord Forbes is the senior Lord of Parliament in the Peerage of Scotland. The title was created sometime after 1436 for Alexander de Forbes, feudal baron of Forbes. The precise date of the creation is not known, but in a Precept dated July 12, 1442, he is already styled Lord Forbes. Brown's 1834...

.

Johnston is thought to have begun his university studies at one, or both, of the colleges at Aberdeen, but around 1608 he went to Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 and received an M.D. at Padua

Padua

Padua is a city and comune in the Veneto, northern Italy. It is the capital of the province of Padua and the economic and communications hub of the area. Padua's population is 212,500 . The city is sometimes included, with Venice and Treviso, in the Padua-Treviso-Venice Metropolitan Area, having...

 in 1610.