1.0Kunsthalle Messmerhttps://kunsthallemessmer.de/en/Erik Lachfeldhttps://kunsthallemessmer.de/en/author/erik-lachfeld/rich600338<blockquote class="wp-embedded-content" data-secret="9csJPTVeT5"><a href="https://kunsthallemessmer.de/en/artists/gunther-uecker/">Gunther Uecker</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://kunsthallemessmer.de/en/artists/gunther-uecker/embed/#?secret=9csJPTVeT5" width="600" height="338" title="“Gunther Uecker” — Kunsthalle Messmer" data-secret="9csJPTVeT5" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://kunsthallemessmer.de/wp-includes/js/wp-embed.min.js </script> Günther Uecker is a well-known German artist. At the end of the 1950s he created his first nail pictures. In 1961 he joined the ZERO group, which was founded by Heinz Mack and Otto Piene. In 1962, with Mack and Piene, Uecker set up a “Salon de lumière” in the Stedelijk Museum in Amsterdam and […]