In the April of 1621, Henry Danvers, The first earl of Danby purchased a low-lying area on the banks of the River Cherwell for a sum of 250 pounds from the University of Oxford. His intent was to build a physic garden that is a garden filled with plants possessing medicinal properties. The land covered an area of 5 acres and had very poor drainage. Hence it required 4000 loads of garbage to raise the level and bring it at par with the River Cherwell so as to prevent it…