“…It speaks to his own experience as an anthropologist returning from fieldwork in Finland to the US: from a socio-political context in which a strong trust in 3 is about zooming in, into safety case experts' workplace as sites for the projection of multiple futures, and about zooming out, into human, ecological and geological histories in which their work is embedded. Chapter 4 discusses the case of a deceased safety case expert and his afterlife, revealing the problem of expert mortality and the inherent fragility of knowledge this implies (see also Ialenti 2020). Each of these chapters culminates in an outline of a 'practical toolkit for educating publics, experts and lay alike' (8) for reckoning (with) deep time: the first two offer tools for ' amateur analogizers' (59) and amateur modellers that can inspire thought experiments, structure thinking, multiply lines of reasoning, and encourage reflexivity.…”