Complex sentence: His company DOXIADIS ASSOCIATES changed owners several times after his death, the heir to his computer company remains a healthy enterprise but without any links to planning or Ekistics, the Delos Symposium was discontinued and the World Society of Ekistics is today an obscure organisation.
Split into simpler sentences: His company Doxiadis Associates changed owners several times after his death, the heir to his computer company remains a healthy enterprise but without any links to planning or Ekistics. The Delos Symposium was discontinued, and the World Society of Ekistics is today an obscure organisation.