1.0Biographical Gallery of Catalan Science and Technologyhttps://scbcientifics.iec.cat/en/lifetimemediahttps://scbcientifics.iec.cat/en/author/lifetimemedia/rich600338<blockquote class="wp-embedded-content" data-secret="wswj9DNAVI"><a href="https://scbcientifics.iec.cat/en/cientifics/estalella-graells-josep/">Estalella Graells, Josep</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://scbcientifics.iec.cat/en/cientifics/estalella-graells-josep/embed/#?secret=wswj9DNAVI" width="600" height="338" title="“Estalella Graells, Josep” — Biographical Gallery of Catalan Science and Technology" data-secret="wswj9DNAVI" 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://scbcientifics.iec.cat/wp-includes/js/wp-embed.min.js </script> https://scbcientifics.iec.cat/wp-content/uploads/2021/01/1413459067-estalellagraells1jpg.jpg400533He got his Ph.D. degree at the University of Barcelona, where he was a teacher from 1899 to 1905. In 1905 he won the professorship of physics and chemistry at the Institut de Girona and in 1919 he became director of physics and chemistry at the Instituto-Escuela de Madrid.