Final answer:
Dr. Jacquet invented the massage technique in 1907 for acneic skin conditions, whereas Guglielmo Marconi is credited with the invention of the radio.
Step-by-step explanation:
The massage technique introduced in 1907 for oily and acneic skin conditions was created by Dr. Jacquet. This technique is known to help with the treatment and management of acne and involves a specific method of pinching and pressing to stimulate the skin and underlying tissues. It is a specialized massage skill employed by professional estheticians.
In regards to the invention of the radio, this is credited to Guglielmo Marconi. Marconi was an Italian inventor who is often recognized as the father of long-distance radio transmission, and his development of Marconi's law and a radio telegraph system earned him the Nobel Prize in Physics.