(Photos courtesy of Sundance Institute (left, center); Rick Egan | Tribune file photo (right)) Three leaders of the Sundance Institute — executive director Keri Putnam (left); Michelle Satter (center), founding director of the Feature Film Program; and Sundance Film Festival director Tabitha Jackson (right) — have written a memo detailing an effort to give $1 million in grants to artists affected financially by the coronavirus pandemic.