hol ▁and ▁had ▁an ▁exhibition ▁with ▁Robert ▁M apple th or pe ▁in ▁the ▁Fernando ▁V ij ande ▁gallery . ▁ ▁P ain ters ▁Pat ric ia ▁G ade a ▁and ▁husband ▁Juan ▁U gal de ▁formed ▁later ▁in ▁New ▁York ▁City ▁the ▁art ▁group ▁Est ru jen bank , ▁and ▁Cost us ▁( En rique ▁N aya ▁I guer av ide ▁& ▁Juan ▁José ▁Car rero ▁Gal of ré ) ▁and ▁Gu ill ermo ▁Pérez ▁Vill al ta , ▁from ▁C ád iz , ▁and ▁Val enci an ▁J avier ▁Mar is cal ▁were ▁also ▁essential ▁vision aries ▁for ▁the ▁movement . ▁ ▁Gra ff iti ▁Art ists ▁like ▁Mu elle ▁created ▁a ▁unique ▁form ▁of ▁street ▁art , ▁later ▁described ▁as ▁“ gra ff iti ▁aut ó ct ono ▁mad rile ño ”. ▁ ▁Liter ature ▁Writ ers ▁Greg orio ▁Mor ales , ▁Vic ente ▁Mol ina ▁Fo ix , ▁Luis ▁Antonio ▁de ▁Vill ena , ▁J avier ▁Bar qu ín , ▁José ▁T ono ▁Martínez , ▁Luis ▁Mate o ▁Dí ez , ▁José ▁Antonio ▁Gabriel ▁y ▁Gal án , ▁José ▁Luis ▁Mor eno - R u iz ▁and ▁Ram ón ▁May r ata ▁were ▁prominent ▁in ▁the ▁“ T ert ul ia ▁de ▁C read ores ”, ▁which ▁were ▁a ▁cycle ▁of ▁meet ings , ▁lect ures , ▁deb ates ▁and ▁happen ings ▁that ▁took ▁place ▁in ▁the ▁C ír culo ▁de ▁Bell as ▁Ar tes ▁in ▁Madrid ▁between ▁ 1 9 8 3 ▁and ▁ 1 9 8 4