Jester Jester A jester, court jester, or fool, was historically an entertainer during the medieval and Renaissance eras who was a member of the household of a nobleman or a monarch employed to entertain him and his guests. A jester was also an itinerant performer who entertained common folk at fairs and markets. Jesters are also modern-day entertainers who resemble their historical counterparts. Jesters in medieval times are often thought to have worn brightly coloured clothes and eccentric hats in a motley pattern and their modern counterparts usually mimic this costume. Jesters entertained with a wide variety of skills: principal among
Court jester hypothesis introduce the term, explains what the Court Jester hypothesis means, describing it as one side of a debate over: The Red Queen hypothesis (focusing on evolution by biotic interactions) and Court Jester hypothesis (focusing on evolution by abiotic factors such as stochastic environmental perturbations) both influence coevolutionary switching in host-parasite interaction. Barnosky acknowledges in the 2001 paper that the Court Jester hypothesis is not necessarily inconsistent with the Red Queen hypothesis: Court jester hypothesis In evolutionary theory, the court-jester hypothesis contrasts the Red Queen hypothesis. University of California, Berkeley professor Anthony D. Barnosky coined the term in 1999 in reference