TEHIC-Handbook_of_best_practices

2. An overview of the concept of heritage interpretation and its evolution. TEHIC Towards a European Heritage Interpretation Curriculum 14 Sequential and non-sequential communication A lthough there are several authors who have worked, and still keep working , on Tilden's principles and go on the discipline's research, one of the most relevant is Sam Ham. Sam is professor emeritus at the University of Idaho, he has taught seminars around the world, and has published books and articles that inspire interpreters around the worldwide. One of his most relevant contribu- tions has been the differentiation between sequential and non-sequen- tial communication. For this purpose, reference should be made to the clas- sification of the interpretative means. These can be split into staffed and un - staffed facilities: Cover of the book by Sam Ham “Interpretation. Making a difference on purpose. ”Spanish version by Asocia- ción para la Interpretación del Patrimonio (AIP), 2014. Source: AIP.