He made important scientific contributions to forestry, through his work in Puerto Rico where he lived from 1942 until his death.

[1] Wadsworth studied forestry at the University of Michigan where he earned a bachelors and a masters degree in the field.

In the 1950's, along with agronomist José Marrero Torrado, Wadsworth performed comprehensive scientific research and experimentation which led to successful approaches for the reforestation of Puerto Rico.

[21] In 1968, as member of the Governor's Advisory Council, he played a key role in the creation of the Puerto Rico Department of Natural and Environmental Resources.

[22] When interviewed in his late 90s, Wadsworth said that agritourism goes a long way towards conservation of importance resources, surmising that "tourists make us aware of the value of our forests.