Friedrich Wilhelm Heinrich Alexander Freiherr von Humboldt He was one of the first to propose that the lands bordering the Atlantic Ocean were once joined.

Christoph Wilhelm Hufeland (August 12, 1762 – August 25, 1836), was a German physician. He is famous as the most eminent practical physician of his time in Germany

Carolus Linnaeus (Carl von Linné ) – Swedish botanist, physician, and zoologist, who laid the foundations for the modern scheme of binomial nomenclature. He is known as the father of modern taxonomy, and is also considered one of the fathers of modern ecology.
americanswedish.org/linnaeus.htm

William Harvey – (1 April 1578 – 3 June 1657) was an English physician who was the first in the Western world to describe correctly and in exact detail the systemic circulation and properties of blood being pumped around the body by the heart.

Antoine-Laurent de Lavoisier (26 August 1743 – 8 May 1794; French pronunciation: [???twan l????? d? la.vwa?zje]), the father of modern chemistry,[1] was a French noble prominent in the histories of chemistry and biology. He stated the first version of the law of conservation of mass,[2] recognized and named oxygen (1778) and hydrogen (1783), abolished the phlogiston theory, helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature. He discovered that, although matter may change its form or shape, its mass always remains the same.

Aelius Galenus or Claudius Galenus (AD 129 – 200/217), better known as Galen of Pergamum, was a prominent Roman physician and philosopher of Greek origin,[1] and probably the most accomplished medical researcher of the Roman period. (I’m not sure of this attribution, the clothes on the bust look too modern)