Madinah Al-Munawarah, Saudi Arabia, June 21, SPA -- Under the patronage of Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, the First International Knowledge Forum will start here tomorrow. For three days, knowledge investment will be discussed in terms of both information technology and health care. The forum, organized by Saudi Arabian General Investment Authority in collaboration with economic knowledge city, will gather a number of officials in the Kingdom and senior investors and thinkers in addition to about 100 scientists representing some of the oldest science institutions in the world.