organizer.createModels = function() {
    jQuery.map(organizer.models, function(model) {
      var rendering = organizer.render(model);
  
      // initial positioning in the DOM and layout
      rendering.css("position", "absolute")
                  .css("top", 0)
                  .css("left", 0)
                  .attr("id", model.id);
  
      $("#universe").append(rendering);    
    })
  };