da Vinci

Leonardo da Vinci (1452–1519) is recognized for his curiosity, imagination and sublime artistic ability.

oak
study of oak branch and lily, the collection of the Royal Library, Windsor Castle, Windsor.

In the years after 1505 Leonardo da Vinci produced a number of delicate drawings of plants and flowers, mostly drawn with a sharpened red chalk on paper coated with a delicate pale red preparation, itself probably composed of ground red chalk.

Branch-of-Blackberry
study of blackberry branch, the collection of the Royal Library, Windsor Castle, Windsor.
By Nadègevillain - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=16980784
Francis I of France invited Leonardo da Vinci to Amboise and provided him with the Château de Cloux, as a place to stay and work.

Friedrich Froebel developed nature walks for each children to experience the natural environment and see plants and flowers growing in nature.