A knot garden, also known as the parterre, simply uses intricate patterns of low interlacing or miniature tightly clipped hedgework interspersed with colored materials or plants to create the illusion
of crossing over one another (giving the appearance of knots). more

Benjamin Banneker was a self-educated scientist at a time when most African Americans were slaves. Born a free black man in the British Colony of Maryland in 1731, he received some formal education, but he mostly borrowed books and taught himself science and mathematics. more