While John travelled extensively collecting specimens, she drew and painted his collection.
Pöppig collected extensively in Central and South America, never visiting South Africa.
Throughout his career, Shahn extensively collected and diligently filed newspaper and magazine photographs.
After his graduation, he traveled and collected extensively in the Southwestern United States.
Orazio Querci collected extensively in Spain and Portugal also in Cuba.
He also collected extensively in Europe as well as maintaining an extensive collection of world butterflies.
Edward Drinker Cope collected extensively from the area and produced several publications on the fossil fish from 1870 onwards.
While in Surinam, he traveled and collected extensively around Paramaribo at first and then up the Suriname River.
During his time in South America, Singer, his wife, and his daughter Heidi collected extensively.
Ecklon collected extensively in South Africa.