The Vedic rishis were both male and female. Some ofthe prominent male rishis included Angiras, Agastya, Vasishtha, Vishwamitra, Grutsamada. The main female rishis were Ghosha, Godha, Apala, Kuhu, Sarama and others.
The special priest of the Rig Veda is called a bots, He is an expert who recites the mantras of the Rig Veda to invoke the devas for receiving the oblations.
The mantras of the Rig Veda are in Vedic Sanskrit. For thousands of years these mantras have been meticulously transmitted orally, and finally when they came to be first written in the last few millennia, they were inscribed on dried palm leaves. Consequently, for thousands of years up to the present, there has been no change or corruption in the chanting and meaning of the Vedic mantras.