bishop, museum, president, ceo, william, brown, will, be, leaving, jan, to, head, academy, natural, sciences, in, philadelphia, credited, with, having, rescued, financially, shaky, from, disaster, after, years, turmoil, infighting, over, facility, s, direction, staff, upheavals, mistrust, sides, board, has, yet, select, replacement, during, his, watch, initiated, million, renovation, year-old, hawaiian, hall, which, expected, reopen, december, centerpiece, science, adventure, center, indoor, volcano, that, erupts, attraction, three-story, foot, active, cone, inquisitive, explorers, young, old, can, peep, down, crawl, through, take, fish-eye, view, beneath, sea, lower-level, tank, provides, undersea, look, visitors, gaze, sphere, exhibit, jhamandas, watumull, planetarium