Hermannus Christiaan van Hall (1801 - 1874) — Auction price
Jan Kops is a Dutch agronomist, botanist and publisher of thematic journals.
In his youth, Kops was interested in botany, but had to study to become a priest. He soon became disillusioned with a career as a preacher and took up his favorite occupation. The fruit of his botanical research was the first volume of the Flora of Batavia, published in 1800. He was engaged in the task of converting the dunes into agricultural land.
Kops great importance to the country's agriculture lies mainly in his work as the first Dutch agricultural official. He possessed great efficiency and great perseverance. On Kops's initiative, the first Dutch agricultural journal, Magazijn van Vaderlandschen Landbouw, appeared between 1803 and 1814, which he himself edited.
Hermann van Hall or Hermannus Christian van Hall was a Dutch botanist and agrarian, the founder of higher agricultural education.
In 1825, van Hall was appointed professor of botany and land economics at the University of Groningen. He was responsible for a collection of demonstration models, an economic garden and a farm where profitable cash crops were grown. In 1842, he took the initiative to establish the Graduate School of Land Economics in Groningen. The Dutch institute of applied sciences was subsequently named in his honor - Van Hall Larenstein University of Applied Sciences, often abbreviated VHL.
Friedrich Miquel, full name Friedrich Anton Wilhelm Miquel, was a Dutch botanist, professor of botany at Utrecht and Amsterdam Universities.
Miquel was also head of the botanical gardens in Rotterdam (1835-1846) and Amsterdam (1846-1859), and was head of the State Herbarium in Leiden from 1862. Friedrich Miquel wrote several books on the flora of the Dutch East Indies. Corresponding with collectors in Australia and Indonesia, he amassed large herbarium collections from these regions.