Both are now retired but Marcel was a civil mining engineer while Simone was criminologist with a great interest in history which she went back to university to study as an undergraduate after she retired.
Pareho ay nagretiro na ngayon ngunit Marcel ay isang civil engineer pagmimina habang Simone ay criminologist sa isang mahusay na interes sa kasaysayan na kung saan siya nagpunta bumalik sa mga unibersidad sa pag-aaral bilang isang undergraduate matapos siya nagretiro.