Acclaimed as the greatest marathon runner of the modern era, Kipchoge has dominated marathon racing since making his debut in Hamburg in 2013.
The next Worlds will take place in Doha in 2019 before going to Eugene, United States, in 2021.
Rune Andersen, head of the IAAF's taskforce on Russia, said Russian authorities had to grant access to data from testing of samples at a Moscow laboratory from 2011 to 2015 and also pay the IAAF's costs.
Ridgeon replaces Frenchman Olivier Gers, who stepped down 18 months into the CEO role after citing differing opinions on the IAAF's commercial strategy.
The Russian athletics federation (RUSAF) was initially banned by the Coe-headed IAAF in November 2015 over allegations of widespread government-backed doping fraud, with that suspension upheld eight times since.
An IAAF World Athletics Heritage Plaque will be erected in Owens' honour at Ferry Field in Ann Arbor, Michigan.
Samba, the world lead and unbeaten in nine finals at 400m hurdles, also set the world’s quickest time since 1992.
UKAD said the 29-year-old's ban will be backdated to December 13, 2017 and run until December 12, 2021.
Farah, a quadruple Olympic champion having achieved the distance double of 5,000 metres and 10,000m in 2012 and 2016, said he was looking forward to pitting his wits against the traditionally strong field the race attracts.
The four-year deal will see QNB support all World Athletic Series Events from 1 January 2019 to the end of 2022.
The IAAF president was speaking in the Qatari capital as organisers launched ticketing arrangements for next year's event, the first athletics world championships to be held in the Middle East.
The next two spots were taken by Ethiopians Tiruneh Workneh Tesfa in second with a time of 2:12.52 and Azmeraw Mengistu third in 2:13.20.
New IAAF rules on female athletes' testosterone levels were due to begin on Thursday, but were put on hold for five months to avoid further delaying proceedings brought by Semenya challenging their legality.
More than 34,000 runners hit the streets of the Indian capital for the 13.1 mile (21 kilometre) race that doctors wanted postponed because of Delhi's atrocious winter smog.
The chairperson of the US Anti-Doping Agency said a "hostile atmosphere" was "increasingly becoming the norm in the global anti-doping cauldron".