diff --git a/searchPages/searchUtils/advancedSearchForm.component.ts b/searchPages/searchUtils/advancedSearchForm.component.ts
index 309266b0..18841a90 100644
--- a/searchPages/searchUtils/advancedSearchForm.component.ts
+++ b/searchPages/searchUtils/advancedSearchForm.component.ts
@@ -30,7 +30,7 @@ export class AdvancedSearchFormComponent {
   fieldList:{[id:string]:any[]} = {};
   public searchFields:SearchFields = new SearchFields();
 properties:EnvProperties;
-  public operators:  [{name:string, id:string}] = this.searchFields.ADVANCED_SEARCH_OPERATORS;
+  public operators:  {name:string, id:string}[] = this.searchFields.ADVANCED_SEARCH_OPERATORS;
     constructor (private route: ActivatedRoute) {
      }
 
diff --git a/utils/properties/env-properties.ts b/utils/properties/env-properties.ts
index f539baa5..4fd80f05 100644
--- a/utils/properties/env-properties.ts
+++ b/utils/properties/env-properties.ts
@@ -30,7 +30,7 @@ export class EnvProperties {
   searchDataciteAPIURL;
 
   searchOrcidURL;
-
+  orcidURL;
   pmidURL;
   doiURL;
   cordisURL;
diff --git a/utils/properties/searchFields.ts b/utils/properties/searchFields.ts
index 417623dc..6eb364fe 100644
--- a/utils/properties/searchFields.ts
+++ b/utils/properties/searchFields.ts
@@ -14,11 +14,12 @@ export class SearchFields {
      "resultbestaccessright","community","collectedfromdatasourceid","resulthostingdatasourceid", "resultdateofacceptance",
           "relfunder",
      "relfundinglevel0_id","relfundinglevel1_id","relfundinglevel2_id",
-     "resultlanguagename", "relorganizationid", "pid","relprojectid", "instancetypename"];
+     "resultlanguagename", "relorganizationid", "pid","relprojectid", "instancetypename", "authorid"];
           public RESULT_FIELDS: { [key:string]:FieldDetails}={
            ["q"]:{name:"All fields", type:"keyword", param:"q", operator: "op", equalityOperator: "="},
          ["resulttitle"]:{name:"Title", type:"keyword", param:"title", operator: "tt", equalityOperator: "="},
          ["resultauthor"]:{name:"Author", type:"keyword", param:"author", operator: "at", equalityOperator: "="},
+         ["authorid"]:{name:"Author ORCID", type:"keyword", param:"orcid", operator: "oc", equalityOperator: " exact "},
          ["resultsubject"]:{name:"Subject", type:"keyword", param:"subject", operator: "sb", equalityOperator: "="},
          ["resultpublisher"]:{name:"Publisher", type:"keyword", param:"publisher", operator: "pb", equalityOperator: "="},
          ["pid"]:{name:"PID", type:"keyword", param:"pid", operator: "pd", equalityOperator: " = "},
@@ -132,7 +133,7 @@ export class SearchFields {
      ["relfundinglevel1_id"]:"relfundinglevel0_id", ["relfundinglevel2_id"]:"relfundinglevel1_id"};
 
 
-      public ADVANCED_SEARCH_OPERATORS:[{name:string, id:string}] = [{name:"AND",id:"and"},{name:"OR",id:"or"},{name:"NOT",id:"not"}];
+      public ADVANCED_SEARCH_OPERATORS:{name:string, id:string}[] = [{name:"AND",id:"and"},{name:"OR",id:"or"},{name:"NOT",id:"not"}];
 
       public COMMUNITIES_SEARCH_FIELDS:string[] = ["type","status","role"];
      constructor (){